Crucibles are used for heating and pouring molten metal. The set of six crucibles was raised from the wreck of the Loch Ard and includes a range of sizes, now in the Flagstaff Hill collection. All were manufactured by the Morgan brothers who founded the Patent Plumbago Crucible Company in 1856, making crucibles in a small factory in Battersea London. A crucible is a container used for purifying and melting metals so that they can be cast in a mould to a predetermined shape and use. They must withstand extremely high temperatures, and abrupt cooling, and shed their contents with minimal adherence. The addition of graphite to the traditional firing clays greatly enhanced the durability of industrial crucibles this technique was pioneered by the Morgan Bros thereby making a significant technological advance in foundry technology and metallurgy. The Morgans first noticed the advantages of graphite crucibles at the Great Exhibition held in London in 1851. Initially, they contracted to be sole selling agents for the American-made products of Joseph Dixon and Co. from New Jersey, but in 1856 they obtained that firm's manufacturing rights and began producing their graphite crucibles from the South London site. The Morgans imported crystalline graphite in 4-5 cwt casks from the British colony of Ceylon (now Sri Lanka) and mixed it with conventional English (Stourbridge) clays to be fired in kilns. Their products were purchased by the Royal Mints in London and India and exported to official mints in France and Germany. They were successful exhibitors of their crucibles and furnaces at the London Exhibition held in 1861 (Class 1, Mining, quarrying, metallurgy and mineral products, Exhibit 265, Patent Plumbago Crucible Co). The range of sizes represented by the six crucibles retrieved from the Loch Ard suggests they may have been part of a sample shipment intended for similar promotion in the Australian colonies or at Melbourne's International Exhibition to be held in 1880. A newspaper account of an 1864 tour of the Morgan brothers' 'Black Potteries' at Battersea indicates: "All the pots were numbered according to their contents, each number standing for one kilogram or a little over two pounds; a No. 2 crucible contains two kilograms; a No. 3, three kilograms, and so on." These numbers are obscured by marine sediment on three of the crucibles in the Flagstaff Hill collection, but those legible on the remaining three are 5, 6, and 8. None of the six is of the same size. A brief history of the Loch Ard (1873-1878): - The sailing ship Loch Ard was one of the famous Loch Line of ships that sailed the long voyage from England to Australia. Barclay, Curdle and Co. built the three-masted iron vessel in Glasgow in 1873. It had sailed three trips to Australia and one trip to Calcutta before its fateful voyage. Loch Ard left England on March 2, 1878, under the command of recently married, 29-year-old Captain Gibbs. It was bound for Melbourne with a crew of 37, plus 17 passengers. The general cargo reflected the affluence of Melbourne at the time. Onboard were straw hats, umbrellas, perfumes, clay pipes, pianos, clocks, confectionery, linen and candles, and a heavier load of railway irons, cement, lead and copper. Other cargo included items intended for display in the Melbourne International Exhibition of 1880. The Loch Ard had been sailing for three months and was close to its destination on June 1, 1878. Captain Gibbs had expected to see land at about 3 am but the Loch Ard ran into a fog that greatly reduced visibility and there was no sign of land or the Cape Otway lighthouse. The fog lifted at 4 am and the sheer cliffs of Victoria's west coast were much closer to them than Captain Gibbs expected. He tried to manage the vessel but failed and the ship struck a reef at the base of Mutton Bird Island, near Port Campbell. The top deck loosened from the hull, and the masts and rigging crashed down, knocking passengers and crew overboard. The lifeboat was launched by Tom Pearce but crashed into the side of Loch Ard and capsized. He clung onto its overturned hull and sheltered under it. He drifted out to sea and the tide brought him back to what is now called Loch Ard Gorge. He swam to shore and found a cave for shelter. A passenger, Eva Carmichael, had raced onto the deck to find out what was happening and was confronted by towering cliffs above the ship. She was soon swept off the ship by a huge wave. Eva saw Tom Pearce on a small rocky beach and yelled to attract his attention. He swam out and dragged her to the shelter of the cave. He revived her with a bottle of brandy from a case that had washed up on the beach. Tom scaled a cliff in search of help and followed some horse hoof prints. He came from two men from Glenample Station, three and a half miles away. He told the men of the tragedy and then returned to the gorge while the two men rode back to the station to get help. They reached Loch Ard Gorge and took the two shipwreck survivors to Glenample Station to recover. Eva stayed at the station for six weeks before returning to Ireland by steamship. In Melbourne, Tom Pearce received a hero's welcome and was presented with a medal and some money. Of the 54 crew members and passengers on board, only two survived: the apprentice, Tom Pearce and the young woman passenger, Eva Carmichael, who lost her family in the tragedy. The shipwreck of the Loch Ard is of significance for Victoria and is registered on the Victorian Heritage Register ( S 417). Flagstaff Hill has a varied collection of artefacts from Loch Ard and its collection is significant for being one of the largest accumulation of artefacts from this notable Victorian shipwreck of which the subject items are a small part. The collection's objects give us a snapshot of how we can interpret the story of this tragic event. The collection is also archaeologically significant as it represents aspects of Victoria's shipping history that allows us to interpret Victoria's social and historical themes of the time. Through is associated with the worst and best-known shipwreck in Victoria's history.This crucible is the smallest of three nested crucibles, or fluxing pots, numbered according to their size. These containers rise slightly from a smaller flat base to a wider open top with a lip for pouring. They were recovered from the wreck of the Loch Ard. The crucibles have a coating of sediment that obscures some of their numerical specifications of size and capacity. Made by the Patent Plumbago Crucible Company at the Battersea Works in London. The number on this crucible is obscured by the sticker.Stamped into side "MORGAN'S PATENT" Stemped into base "MORGAN'S PATENT" "THE PATENT PLUMBAGO CRUCIBLE COMPANY" Sticker "L 96"flagstaff hill, warrnambool, graphite crucible, plumbago crucible, morgan's crucible company, loch ard, morgan potteries, crucible, fluxing pot, nested crucibles, heat proof container, metal worker, maritime museum, shipwreck coast, flagstaff hill maritime village, great ocean road, loch line, morgans crucible company, flagstaff hill maritime museum and village, fluxing pots, morgan’s patent, morgan brothers, patent plumbago crucible co, battersea works, london, loch ard gorge, port campbell

This crucible was raised from the wreck of the LOCH ARD. It is one of six similar relics, in a range of sizes, now in the Flagstaff Hill collection. All bear markings to indicate their manufacture by the Morgan brothers of Battersea, trading as the Patent Plumbago Crucible Co. A crucible is a container used for purifying and melting metals so that they can be cast in a mould to a predetermined shape and use. They must withstand extremely high temperatures, and abrupt cooling, and shed their contents with minimal adherence. The addition of graphite to the traditional firing clays greatly enhanced the durability of industrial crucibles in mid-Victorian Britain, a significant technological advance at a time of great activity in foundries and expansion of demand for refined metals. The Morgans first noticed the advantages of graphite crucibles at the Great Exhibition held in London in 1851. Initially, they contracted to be sole selling agents for the American-made products of Joseph Dixon and Co. from New Jersey, but in 1856 they obtained that firm’s manufacturing rights and began producing their own graphite crucibles from the South London site. The Morgans imported crystalline graphite in 4-5 cwt casks from the British colony of Ceylon (now Sri Lanka) and mixed it with conventional English (Stourbridge) clays to be fired in kilns. Their products were purchased by the Royal Mints in London and India, and exported to official mints in France and Germany. They were successful exhibitors of their crucibles and furnaces at the London Exhibition held in 1861 (Class 1, Mining, quarrying, metallurgy and mineral products, Exhibit 265, Patent Plumbago Crucible Co). The range of sizes represented by the six crucibles retrieved from the LOCH ARD, suggests they may have been part of a sample shipment intended for similar promotion in the Australian colonies ― at Melbourne’s International Exhibition to be held in 1880. The summary of the LOCH ARD cargo manifest, by Don Charlwood in ‘Wrecks and Reputations’, does not mention any crucibles, implying that they were not a large consignment of uniform items. A newspaper account of an 1864 tour of the Morgan brothers’ ‘Black Potteries’ at Battersea indicates: “All the pots were numbered according to their contents, each number standing for one kilogram, or a little over two pounds; a No. 2 crucible contains two kilogrammes; a No. 3, three kilogrammes, and so on.” These numbers are obscured by marine sediment on three of the crucibles in the Flagstaff Hill collection, but those legible on the remaining three are 5, 6, and 8. None of the six is of the same size from a visual appraisal. A brief history of the Loch Ard (1873-1878): - The sailing ship Loch Ard was one of the famous Loch Line of ships that sailed the long voyage from England to Australia. Barclay, Curdle and Co. built the three-masted iron vessel in Glasgow in 1873. It had sailed three trips to Australia and one trip to Calcutta before its fateful voyage. Loch Ard left England on March 2, 1878, under the command of recently married, 29-year-old Captain Gibbs. It was bound for Melbourne with a crew of 37, plus 17 passengers. The general cargo reflected the affluence of Melbourne at the time. Onboard were straw hats, umbrellas, perfumes, clay pipes, pianos, clocks, confectionery, linen and candles, and a heavier load of railway irons, cement, lead and copper. Other cargo included items intended for display in the Melbourne International Exhibition of 1880. The Loch Ard had been sailing for three months and was close to its destination on June 1, 1878. Captain Gibbs had expected to see land at about 3 am but the Loch Ard ran into a fog that greatly reduced visibility and there was no sign of land or the Cape Otway lighthouse. The fog lifted at 4 am and the sheer cliffs of Victoria's west coast were much closer to them than Captain Gibbs expected. He tried to manage the vessel but failed and the ship struck a reef at the base of Mutton Bird Island, near Port Campbell. The top deck loosened from the hull, and the masts and rigging crashed down, knocking passengers and crew overboard. The lifeboat was launched by Tom Pearce but crashed into the side of Loch Ard and capsized. He clung onto its overturned hull and sheltered under it. He drifted out to sea and the tide brought him back to what is now called Loch Ard Gorge. He swam to shore and found a cave for shelter. A passenger, Eva Carmichael, had raced onto the deck to find out what was happening and was confronted by towering cliffs above the ship. She was soon swept off the ship by a huge wave. Eva saw Tom Pearce on a small rocky beach and yelled to attract his attention. He swam out and dragged her to the shelter of the cave. He revived her with a bottle of brandy from a case that had washed up on the beach. Tom scaled a cliff in search of help and followed some horse hoof prints. He came from two men from Glenample Station, three and a half miles away. He told the men of the tragedy and then returned to the gorge while the two men rode back to the station to get help. They reached Loch Ard Gorge and took the two shipwreck survivors to Glenample Station to recover. Eva stayed at the station for six weeks before returning to Ireland by steamship. In Melbourne, Tom Pearce received a hero's welcome and was presented with a medal and some money. Of the 54 crew members and passengers on board, only two survived: the apprentice, Tom Pearce and the young woman passenger, Eva Carmichael, who lost her family in the tragedy. The shipwreck of the LOCH ARD is of State significance ― Victorian Heritage Register S417. Flagstaff Hill’s collection of artefacts from LOCH ARD is significant for being one of the largest collections of artefacts from this shipwreck in Victoria. It is significant for its association with the shipwreck, which is on the Victorian Heritage Register (VHR S417). The collection is significant because of the relationship between the objects, as together they have a high potential to interpret the story of the LOCH ARD. The LOCH ARD collection is archaeologically significant as the remains of a large international passenger and cargo ship. The LOCH ARD collection is historically significant for representing aspects of Victoria’s shipping history and its potential to interpret sub-theme 1.5 of Victoria’s Framework of Historical Themes (living with natural processes). The collection is also historically significant for its association with the LOCH ARD, which was one of the worst and best-known shipwrecks in Victoria’s history.A Morgan’s Patent graphite crucible No.8 (i.e. 8kgs capacity), one of a set. It was recovered from the wreck of the LOCH ARD. It is in its original grey colouring with minimal sediment accretion on the top rim. It rises in a slight curve from a flat circular base to a wider rim with a pouring lip. Maker’s marks on the side of the container clearly identify the manufacturer. The maker's details are stamped into the base around and within a circle. A white sticker is attached. Made by the Patent Plumbago Crucible Company at the Battersea Works in London. Number “8”. Letters “MORGAN’S PATENT”. Details on the base "MORGAN'S PATENT" "THE PATENT PLUMBAGO CRUCIBLE COMPANY" Symbol [8] above "BATTERSEA WORKS LONDON" Handwritten on a white sticker in black pen "LA/89"flagstaff hill, warrnambool, maritime museum, shipwreck coast, great ocean road, loch line, loch ard, captain gibbs, eva carmichael, tom pearce, glenample station, mutton bird island, loch ard gorge, graphite crucible, plumbago crucible, morgans crucible company, flagstaff hill maritime museum and village, fluxing pots, crucible, morgan’s patent, morgan brothers, patent plumbago crucible co, battersea works, london, port campbell

This crucible was raised from the wreck of the LOCH ARD. It is one of six similar relics, in a range of sizes, now in the Flagstaff Hill collection. All bear markings to indicate their manufacture by the Morgan brothers of Battersea, trading as the Patent Plumbago Crucible Co. A crucible is a container used for purifying and melting metals so that they can be cast in a mould to a predetermined shape and use. They must withstand extremely high temperatures, and abrupt cooling, and shed their contents with minimal adherence. The addition of graphite to the traditional firing clays greatly enhanced the durability of industrial crucibles in mid-Victorian Britain, a significant technological advance at a time of great activity in foundries and expansion of demand for refined metals. The Morgans first noticed the advantages of graphite crucibles at the Great Exhibition held in London in 1851. Initially, they contracted to be sole selling agents for the American-made products of Joseph Dixon and Co. from New Jersey, but in 1856 they obtained that firm’s manufacturing rights and began producing their own graphite crucibles from the South London site. The Morgans imported crystalline graphite in 4-5 cwt casks from the British colony of Ceylon (now Sri Lanka) and mixed it with conventional English (Stourbridge) clays to be fired in kilns. Their products were purchased by the Royal Mints in London and India, and exported to official mints in France and Germany. They were successful exhibitors of their crucibles and furnaces at the London Exhibition held in 1861 (Class 1, Mining, quarrying, metallurgy and mineral products, Exhibit 265, Patent Plumbago Crucible Co). The range of sizes represented by the six crucibles retrieved from the LOCH ARD, suggests they may have been part of a sample shipment intended for similar promotion in the Australian colonies ― at Melbourne’s International Exhibition to be held in 1880. The summary of the LOCH ARD cargo manifest, by Don Charlwood in ‘Wrecks and Reputations’, does not mention any crucibles, implying that they were not a large consignment of uniform items. A newspaper account of an 1864 tour of the Morgan brothers’ ‘Black Potteries’ at Battersea indicates: “All the pots were numbered according to their contents, each number standing for one kilogram, or a little over two pounds; a No. 2 crucible contains two kilogrammes; a No. 3, three kilogrammes, and so on.” These numbers are obscured by marine sediment on three of the crucibles in the Flagstaff Hill collection, but those legible on the remaining three are 5, 6, and 8. None of the six is of the same size from a visual appraisal. A brief history of the Loch Ard (1873-1878): - The sailing ship Loch Ard was one of the famous Loch Line of ships that sailed the long voyage from England to Australia. Barclay, Curdle and Co. built the three-masted iron vessel in Glasgow in 1873. It had sailed three trips to Australia and one trip to Calcutta before its fateful voyage. Loch Ard left England on March 2, 1878, under the command of recently married, 29-year-old Captain Gibbs. It was bound for Melbourne with a crew of 37, plus 17 passengers. The general cargo reflected the affluence of Melbourne at the time. Onboard were straw hats, umbrellas, perfumes, clay pipes, pianos, clocks, confectionery, linen and candles, and a heavier load of railway irons, cement, lead and copper. Other cargo included items intended for display in the Melbourne International Exhibition of 1880. The Loch Ard had been sailing for three months and was close to its destination on June 1, 1878. Captain Gibbs had expected to see land at about 3 am but the Loch Ard ran into a fog that greatly reduced visibility and there was no sign of land or the Cape Otway lighthouse. The fog lifted at 4 am and the sheer cliffs of Victoria's west coast were much closer to them than Captain Gibbs expected. He tried to manage the vessel but failed and the ship struck a reef at the base of Mutton Bird Island, near Port Campbell. The top deck loosened from the hull, and the masts and rigging crashed down, knocking passengers and crew overboard. The lifeboat was launched by Tom Pearce but crashed into the side of Loch Ard and capsized. He clung onto its overturned hull and sheltered under it. He drifted out to sea and the tide brought him back to what is now called Loch Ard Gorge. He swam to shore and found a cave for shelter. A passenger, Eva Carmichael, had raced onto the deck to find out what was happening and was confronted by towering cliffs above the ship. She was soon swept off the ship by a huge wave. Eva saw Tom Pearce on a small rocky beach and yelled to attract his attention. He swam out and dragged her to the shelter of the cave. He revived her with a bottle of brandy from a case that had washed up on the beach. Tom scaled a cliff in search of help and followed some horse hoof prints. He came from two men from Glenample Station, three and a half miles away. He told the men of the tragedy and then returned to the gorge while the two men rode back to the station to get help. They reached Loch Ard Gorge and took the two shipwreck survivors to Glenample Station to recover. Eva stayed at the station for six weeks before returning to Ireland by steamship. In Melbourne, Tom Pearce received a hero's welcome and was presented with a medal and some money. Of the 54 crew members and passengers on board, only two survived: the apprentice, Tom Pearce and the young woman passenger, Eva Carmichael, who lost her family in the tragedy. The shipwreck of the LOCH ARD is of State significance ― Victorian Heritage Register S417 Flagstaff Hill’s collection of artefacts from LOCH ARD is significant for being one of the largest collections of artefacts from this shipwreck in Victoria. It is significant for its association with the shipwreck, which is on the Victorian Heritage Register (VHR S417). The collection is significant because of the relationship between the objects, as together they have a high potential to interpret the story of the LOCH ARD. The LOCH ARD collection is archaeologically significant as the remains of a large international passenger and cargo ship. The LOCH ARD collection is historically significant for representing aspects of Victoria’s shipping history and its potential to interpret sub-theme 1.5 of Victoria’s Framework of Historical Themes (living with natural processes). The collection is also historically significant for its association with the LOCH ARD, which was one of the worst and best-known ahipwrecks in Victoria’s history.A Morgan’s Patent graphite crucible No.4 (i.e. 4kgs capacity), one of a set of three. It was recovered from the wreck of the LOCH ARD. It is in its original grey colouring with minimal sediment accretion on the top rim. It rises in a slight curve from a flat circular base to a wider rim with a pouring lip. Maker’s marks on the side of the container clearly identify the manufacturer. The maker's details are stamped into the base around and within a circle. A white sticker is attached. Made by the Patent Plumbago Crucible Company at the Battersea Works in London.Number or. Letters “MORGAN’S PATENT”. Details on the base "MORGAN'S PATENT" "THE PATENT PLUMBAGO CRUCIBLE COMPANY" Symbol [4] above "BATTERSEA WORKS LONDON" Handwritten on a white sticker in black pen "L89"flagstaff hill, warrnambool, flagstaff hill maritime museum, maritime museum, shipwreck coast, flagstaff hill maritime village, great ocean road, loch line, loch ard, captain gibbs, eva carmichael, tom pearce, glenample station, mutton bird island, loch ard gorge, graphite crucible, plumbago crucible, morgan's crucible company, flagstaff hill maritime museum and village, fluxing pots, crucible, morgan’s patent, morgan brothers, patent plumbago crucible co, battersea works, london, port campbell

This crucible was raised from the wreck of the Loch Ard. It is one of six similar relics, in a range of sizes, now in the Flagstaff Hill collection. All were manufactured by the Morgan brothers who founded the Patent Plumbago Crucible Company in 1856, making crucibles in a small factory in Battersea London. A crucible is a container used for purifying and melting metals so that they can be cast in a mold to a predetermined shape and use. They must withstand extremely high temperatures, abrupt cooling, and shed their contents with minimal adherence. The addition of graphite to the traditional firing clays greatly enhanced the durability of industrial crucibles this technique was pioneered by the Morgan Bros thereby making a significant technological advance in foundry technology and metallurgy. The Morgans first noticed the advantages of graphite crucibles at the Great Exhibition held in London in 1851. Initially, they contracted to be sole selling agents for the American-made products of Joseph Dixon and Co. from New Jersey, but in 1856 they obtained that firm's manufacturing rights and began producing their graphite crucibles from the South London site. The Morgans imported crystalline graphite in 4-5 cwt casks from the British colony of Ceylon (now Sri Lanka) and mixed it with conventional English (Stourbridge) clays to be fired in kilns. Their products were purchased by the Royal Mints in London and India and exported to official mints in France and Germany. They were successful exhibitors of their crucibles and furnaces at the London Exhibition held in 1861 (Class 1, Mining, quarrying, metallurgy and mineral products, Exhibit 265, Patent Plumbago Crucible Co). The range of sizes represented by the six crucibles retrieved from the Loch Ard suggests they may have been part of a sample shipment intended for similar promotion in the Australian colonies or at Melbourne's International Exhibition to be held in 1880. A newspaper account of an 1864 tour of the Morgan brothers' 'Black Potteries' at Battersea indicates: "All the pots were numbered according to their contents, each number standing for one kilogram, or a little over two pounds; a No. 2 crucible contains two kilograms; a No. 3, three kilograms, and so on." These numbers are obscured by marine sediment on three of the crucibles in the Flagstaff Hill collection, but those legible on the remaining three are 5, 6, and 8. None of the six is of the same size. (For more information on the Loch Ard wreck see note sec this document) The shipwreck of the Loch Ard is of significance for Victoria and is registered on the Victorian Heritage Register ( S 417). Flagstaff Hill has a varied collection of artefacts from Loch Ard and its collection is significant for being one of the largest accumulation of artefacts from this notable Victorian shipwreck of which the crucible is a small part. The collections objects give us a snapshot of how we can interpret the story of this tragic event. The collection is also archaeologically significant as it represents aspects of Victoria's shipping history that allows us to interpret Victoria's social and historical themes of the time. Through is associated with the worst and best-known shipwreck in Victoria's history.A medium size crucible, or fluxing pot, for heating and pouring molten metal. The container rises in a slight curve from a smaller flat base to a wider open top with a lip for pouring. It was recovered from the wreck of the LOCH ARD. The crucible has a coating of sediment that obscures its numerical specifications of size and capacity. The markings that remain visible indicate it is a Morgan’s crucible, made with graphite to prevent cracking and provide a smooth non-adhesive inner surface. .On base: “…ORGAN’S …ENT”flagstaff hill, warrnambool, flagstaff-hill-maritime-museum, shipwreck-coast, flagstaff-hill-maritime-village, graphite crucible, plumbago crucible, morgan's crucible company, loch ard, morgan potteries, crucible, fluxing pot

This crucible was raised from the wreck of the LOCH ARD. It is one of six similar relics, in a range of sizes, now in the Flagstaff Hill collection. All bear markings to indicate their manufacture by the Morgan brothers of Battersea, trading as the Patent Plumbago Crucible Co. A crucible is a container used for purifying and melting metals so that they can be cast in a mould to a predetermined shape and use. They must withstand extremely high temperatures, abrupt cooling, and shed their contents with minimal adherence. The addition of graphite to the traditional firing clays greatly enhanced the durability of industrial crucibles in mid-Victorian Britain, a significant technological advance at a time of great activity in foundries and expansion of demand for refined metals. The Morgans first noticed the advantages of graphite crucibles at the Great Exhibition held in London in 1851. Initially they contracted to be sole selling agents for the American-made products of Joseph Dixon and Co. from New Jersey, but in 1856 they obtained that firm’s manufacturing rights and began producing their own graphite crucibles from the South London site. The Morgans imported crystalline graphite in 4-5 cwt casks from the British colony of Ceylon (now Sri Lanka) and mixed it with conventional English (Stourbridge) clays to be fired in kilns. Their products were purchased by the Royal Mints in London and India, and exported to official mints in France and Germany. They were successful exhibitors of their crucibles and furnaces at the London Exhibition held in 1861 (Class 1, Mining, quarrying, metallurgy and mineral products, Exhibit 265, Patent Plumbago Crucible Co). The range of sizes represented by the six crucibles retrieved from the LOCH ARD, suggest they may have been part of a sample shipment intended for similar promotion in the Australian colonies ― at Melbourne’s International Exhibition to be held in 1880. The summary of cargo manifest, by Don Charlwood in ‘Wrecks and Reputations’ does not mention any crucibles, implying that they were not a large consignment of uniform items. A newspaper account of an 1864 tour of the Morgan brothers’ ‘Black Potteries’ at Battersea indicates: “All the pots were numbered according to their contents, each number standing for one kilogram, or a little over two pounds; a No. 2 crucible contains two kilogrammes; a No. 3, three kilogrammes, and so on.” These numbers are obscured by marine sediment on three of the crucibles in the Flagstaff Hill collection, but those legible on the remaining three are 5, 6, and 8. None of the six are of the same size from a visual appraisal.The shipwreck of the LOCH ARD is of State significance ― Victorian Heritage Register S417A large crucible, or fluxing pot, for heating and pouring molten metal. It was recovered from the wreck of the LOCH ARD. The clay fired vessel rises from circular flat base to a larger rim with pouring lip. It is stained a rust colour and bears some sedimentary accretion. Half of its loose fitting lid with central knob has also survived. Markings on the artefact indicate it is a Morgan’s crucible, made with graphite to prevent cracking in the furnace and provide a smooth (non-adhesive) inner surface. On base: “…RGAN’S PATENT CRUCIBLE”. On rim: “MORGAN’S PATENT P…” Below top edge "BAK"flagstaff hill, warrnambool, shipwrecked-coast, flagstaff-hill, flagstaff-hill-maritime-museum, maritime-museum, shipwreck-coast, flagstaff-hill-maritime-village, graphite crucible, plumbago crucible, morgans crucible company, loch ard, fluxing pot, crucible

This crucible was raised from the wreck of the LOCH ARD. It is one of six similar relics, in a range of sizes, now in the Flagstaff Hill collection. All bear markings to indicate their manufacture by the Morgan brothers of Battersea, trading as the Patent Plumbago Crucible Co. A crucible is a container used for purifying and melting metals so that they can be cast in a mould to a predetermined shape and use. They must withstand extremely high temperatures, abrupt cooling, and shed their contents with minimal adherence. The addition of graphite to the traditional firing clays greatly enhanced the durability of industrial crucibles in mid-Victorian Britain, a significant technological advance at a time of great activity and expansion in foundries and demand for refined metals. The Morgans first noticed the advantages of graphite crucibles at the Great Exhibition held in London in 1851. Initially they contracted to be sole selling agents for the American-made products of Joseph Dixon and Co. from New Jersey, but in 1856 they obtained that firm’s manufacturing rights and began producing their own graphite crucibles from the South London site. The Morgans imported crystalline graphite in 4-5 cwt casks from the British colony of Ceylon (now Sri Lanka) and mixed it with conventional English (Stourbridge) clays to be fired in kilns. Their products were purchased by the Royal Mints in London and India, and exported to official mints in France and Germany. They were successful exhibitors of their crucibles and furnaces at the London Exhibition held in 1861 (Class 1, Mining, quarrying, metallurgy and mineral products, Exhibit 265, Patent Plumbago Crucible Co). The range of sizes represented by the six crucibles retrieved from the LOCH ARD, suggest they may have been part of a sample shipment intended for similar promotion in the Australian colonies ― at Melbourne’s International Exhibition to be held in 1880. A summary of the LOCH ARD cargo manifest, by Don Charlwood in ‘Wrecks and Reputations’ does not mention any crucibles, implying that they were not part of a larger consignment of uniform items. A newspaper account of an 1864 tour of the Morgan brothers’ ‘Black Potteries’ at Battersea indicates: “All the pots were numbered according to their contents, each number standing for one kilogram, or a little over two pounds; a No. 2 crucible contains two kilogrammes; a No. 3, three kilogrammes, and so on.” These numbers are obscured by marine sediment on three of the crucibles in the Flagstaff Hill collection, but those legible on the remaining three are 5, 6, and 8. None of the six are of the same size from a visual appraisal. The shipwreck of the LOCH ARD is of State significance ― Victorian Heritage Register S417A No. 6 size Morgan’s graphite crucible (i.e. 6kgs capacity). The crucible rises in a slight curve from a smaller flat base up to a wider top with a (chipped) pouring lip. It was recovered from the wreck of the LOCH ARD. The artefact is largely accretion free despite its long period of submersion at the wreck site. It has a number of visible maker’s markings which identify the manufacturer and the smelting capacity of the pot. The graphite crucible is in fair and stable condition. The number “6” which is framed in a square. The letters “THE PATENT PLUMBAGO CRUCIBLE COMPANY” and “BATTERSEA WORKS COMPANY”. Below rim "... GNS"flagstaff hill, warrnambool, shipwrecked-coast, flagstaff-hill, flagstaff-hill-maritime-museum, maritime-museum, shipwreck-coast, flagstaff-hill-maritime-village, graphite crucible, plumbago crucible, morgan's crucible company, loch ard, crucible, fluxing pot

A crucible is a vessel made of a refractory substance such as graphite or porcelain, used for melting and calcining materials at high temperatures. (http://www.thefreedictionary.com/crucible) Morgan Crucible was established in 1856. See http://ubshwiki.ballarat.edu.au/index.php/Morgan_Crucible_Co. A crucible is used to hold small amounts of chemicals during heating at high temperatures. The lid covers the bowl so nothing escapes, or to keep oxygen out of the reaction. (http://wiki.answers.com/Q/What_is_a_crucible_and_how_is_it_used_in_a_laboratory)Two used narrow high shape crucibles with small spouts made by Morgan of England. They are heat-resistant containers used to melt ores, metals, and other materials. One has green (copper origin?) glaze like material on the base and sidecrucible, assaying, morgan