30 cm tactile yellow ruler with black marking every 5 centimeters with raised markings, has two different edges - straight and notched. The straight edge can be used for measuring and drawing, and the notched edge designed to help place pins when creating charts and graphs or using a compass. There are non-slip pads on the back of the ruler. 1 yellow ruler with black large print numbers and black measurement indicatorsRNIB LT21 (on back)assistive devices, royal national institute for the blind

Thomas Walker & Son was internationally renowned in the manufacturing of ships logs. Founding father Thomas Walker (1805–1871), an engineer in Birmingham, patented a mechanical log in 1878 which was a recording instrument that attached to a rail at the stern of a vessel connected by a long cord with a rotor which was towed behind the ship. The instrument dial recorded the distance travelled. Thomas Walker first went into business to manufacture stoves at 58 Oxford Street Birmingham. Walker’s self-feeding stove was widely lauded at the Paris Exhibition of 1855, winning a prize medal and kick starting the first of many notable innovations for the Walker family's manufacturing business. However, it wasn’t until working on an earlier ships log model invented by his Uncle that Thomas Walker became interested in the further development of this device, used to ascertain a ship’s speed. Walker continued to improve on the common log for the company of Massey & Sons and these improvements were deemed revolutionary. This log became a firm favourite of the West India Association (British-based organisation promoting ties and trade with the British Caribbean) and the most common log in use for two generations. It took till 1861 for Thomas Walker and his son, Thomas Ferdinand Walker (1831-1921) to patent the first Walker log of many. Together, with the introduction of the A1 Harpoon Log two years later, they established the Walker Log Business as a force to be reckoned with. By the time of his passing in 1871, Thomas Walker Snr had not only founded a family business with considerable staying power but also instilled a tradition of public service. Having sat as a representative on the Birmingham Town Council for 15 years and played an active role in public works, he was soon given the nickname of ‘Blue Brick Walker’. Much like his father, Thomas Ferdinand Walker changed the face of the maritime industry. His patent of 1897, the ‘Cherub’ log, was a notable departure from the past providing a far more accurate reading and replacing the majority of logs of the age. They were the first to produce an electric log and the Walker factory was one of the first to introduce the 48 hour work week for employees. This ship log was invented and made by a significant marine instrument maker and innovator of machinery. It demonstrates the huge leap taken to improve navigational accuracy at sea with an instrument that was in use for decades. Ship Log, three analogue dials calibrated in increments of Miles, the Rocket Log is a nautical instrument for measuring a vessel’s speed and distance traveled. The floating log was drawn behind the ship over a fixed time period in order to measure the distance traveled. The counter could measure enough miles to cover the maximum distance traveled by a ship in one day. The log has two distinct parts; a brass register, made by Walker, showing the distance recorded and the rotator made by Reynolds, that spins in the water driving the counter. both parts are connected by a linked chain. The register has a cylindrical brass body approx 4.5 cm diameter containing registering mechanism with hardened steel bearings. Distance is indicated by the three pointers on enamel plate as follows: graduated every 10 miles from 0-100; every mile from 1-10; every 1/4 mile from 1/4 -1. A brass sling and eye secured to the body enables it to be attached to the taffrail. The original rotator would have had a cylindrical tapered wooden body, approx 4.5 cm in diameter with three metal alloy fins or could be all made from brass. A towing eye is fitted to the tapered end. The two pieces of apparatus are connected by a length of linked chain, length 22.9 cm."Walkers Rocket Ship-Log Birmingham (Patented)" printed on face-plate. "Made by Thomas Walker".flagstaff hill, warrnambool, shipwrecked-coast, flagstaff-hill, flagstaff-hill-maritime-museum, maritime-museum, shipwreck-coast, flagstaff-hill-maritime-village, ship log, rocket log, mechanical ship log, measuring instrument, marine instrument, nautical instrument, speed recording instrument, ship log register, walker ship log, walkers rocket ship-log, thomas walker, thomas walker & son, thomas ferdinand walker, walker log business, reynolds ship log rotor, taffrail log, taff rail log, west india association

The jacket is indicative of the dress jacket worn by a sailor of the rate of Naval Police Petty Office who has completed 12 years service.Jacket Double Breasted Service Dress Navy Blue with gold embroided insignia, [Naval Police Coxswain Petty Officer] on right upper arm; gold embroided rank insignia [Petty Officer] above three gold embroided chevrons indicating 12 years service on the left upper arm; shoulder flashes with gold embroided word, "Australia" on both shoulders. 8 gold button with embossed Australian Navy Emblem and the word "Australia" in parallel columns of 4. Size 111S (short fit) with 2 small gold button with embossed Australian Navy Emblem and the word "Australia" the cuff of each arm.Manufacturer's identification label on inside right breast.Manufacturers label measuring 4omm x 80mm showing company logo ADI / 1999 / arrow pointed up /NSN: 8405-66-132-2309 / Wool polyester / size 111S / matching / trouser size 101S / chest 112 / waist 102 / inside leg 78 / No / Name / Dry Clean Only / Made in Australia

This marking gauge has a round head. It is a hand-powered tool and is used to measure and mark a scribed line onto the surface of the wood for the purpose of cutting or aligning. It would have been used by a tradesperson such as a cabinet maker, wood worker or carpenter. The hand tool shows signs of much use. It appears to be appreciated as a tool due to the initials carved into the side of the block. The marking gauge is an example of a hand powered woodworking tool used over the past few centuriesMarking gauge: wooden staff with half-round block secured by a wedge. there is a metal marker on one end. Inscription "WS" crudely engraved in end of block.Carved "W.S."flagstaff hill, warrnambool, maritime museum, maritime village, shipwreck coast, hand tool, woodwork, marking gauge, w.s., measuring tool

These scales were used in the Tawonga Store which opened c1920. They were used to weigh produce e.g.. flour & wheat that the farmers used on their farms and in their homes. These scales pre date packaging. Ref. Weights KVHS 0800 (A)The Tawonga Store opened c1920 and sold goods and produce to the farmers of the Kiewa Valley. The scales were a necessary item for a store as goods were sold in bulk. Large steel dirty black platform attached at the middle of the back to a red cylinder which has 2 smaller platforms coming out to the side. The top platform has a black steel lever attached and a hook to hold it down. Below this platform is a measuring rod marked 2,4 etc up to 14 on which hangs a eight. The bottom platform is to rest the unused weights. Weights ref. KVHS 0800 (A)W. & T. Avery Birminghamscales. weights. tawonga store. farm produce.

A two-piece object, comprising of: a Rayco 'Ruler' graphite tennis racquet, with a split shaft, and synthetic handle grip (1); and, a vinyl cover, featuring model name and measuring ruler device along the length of cover (2). Racquet is accompanied by a copper screw, sealed in a small transparent bag. Materials: Graphite, Synthetic material, Plastic, Ink, Paint, Adhesive tape, Nylon, Vinyl, Ink, Metaltennis

Textiles. With the same lace edging as the pillowcases 11408.102, but no embroidered initial. These pillowcases, along with the bedspread (11408.101) complete a delightful set. Measuring 119 cm x 96 cm, the pillow slips have an envelope 48 cm x 80 cm stitched to the back, to hold the pillow. This is tied with three sets of two cotton tapes. The same corded and floral lace, 10 cm deep edges the pillowslip.textiles, domestic, two lace trimmed pillow cases

Warrnambool Cheese and Butter Factory Company Ltd commenced operation in 1888. It operated as an independent company until taken over by Canadian company Saputo in 2014, which acquired 87.92% of the company's shares. Warrnambool Milk Products, a subsidiary of Warrnambool Cheese and Butter, entered products in industry awards as a means of both measuring product beside competitors' products and promotion of their own products.White gloss card certificate with black and gold printAustralian Dairy Products Award/Gold Award/Category -Cheddar Cheese Semi matured/1996

These transparent sheets were used to measure area on maps at various scales. They were used if a planimeter wasn't available The sheet was overlayed on the map and the shape transferred with a soft China graph or erasable lead pencil The number of "dots" within the shape were counted and converted to an area Each major 1 inch square block contained 100 dots (10 x 10)Transparent dot grid sheet Forests Commission of Victoria Area Scale Scale 30 chains to the inchforests commission victoria (fcv), forest measurement, surveying

A School of Military Survey Precis, 8 x foolscap sized pages of typed text, stapled and two hole punched. The precis No 3 covers the Observation procedure to be used for 1st, 2nd and 3rd Order Triangulation using the Royal Australian Survey Corps standard Cooke, Troughton and Simms Tavistock or Wild T2. The geodetic model Tavistock with a 5.25" horizontal circle should be used for 1st Order Triangulation and maybe used for 2nd Order Triangulation if specially directed. The standard Tavistock with 3.5" horizontal circle or the Wild T2 should be used for 2nd and 3rd Order observations. The Precis discusses the types of errors, the source of errors and the best ways of managing them. In surveying, triangulation is the process of determining the location of a point by measuring only angles to it from known points at either end of a fixed baseline by using trigonometry, rather than measuring distances to the point directly as in trilateration.A School of Military Survey Precis, 8 x foolscap sized pages of typed text, stapled and two hole punched.royal australian survey corps, rasvy, fortuna, army survey regiment, army svy regt, asr, school of military survey, sms, balcombe

Jacket worn by Brendan Honey when performing the duties of a Petty Officer Radio Supervisor in the Royal Australian Navy from Oct 1979 to Oct 2000Jacket Double Breasted Service Dress Navy Blue with gold embroided insignia, [Radio Operator Petty Officer] on right upper arm; gold embroided rank insignia [Petty Officer] above three gold embroided chevrons indicating 12 years service on the left upper arm; shoulder flashes with gold embroided word, "Australia" on both shoulders. 8 gold button with embossed Australian Navy Emblem and the word "Australia" in parallel columns of 4. Size 99R (Regular fit) with 2 small gold button with embossed Australian Navy Emblem and the word "Australia" the cuff of each arm.Manufacturer's identification label on inside right breast.Manufacturers label measuring 4mm x 8mm showing company logo ADA / 1990 / arrow pointed up /NSN:8405-66-132-2314 / 70% 30% Wool Poly / size 99R / match / trouser size 89R / No / Name / Dry Clean Only / Made in Australia/ owner's name written in black by a laundry marking penjacket, navy, jacket service dress, jacket petty office radio supervisor

Clothing. Curved ''cup-shape'' bodice, unlined, shirred slightly at the centre, and measuring 28 cm deep, from shoulder strap to midriff. A V shaped panel is inserted into the back bodice - 37 cm x 13.5 cm at the top to give a filled effect. Eight covered buttons and loops form the closure at the top of this panel (one button missing). A triangular shape is also sewn into the lower skirt to give flair.costume, female, slim black velvet evening gown

Established by Patrick Kavanagh and William English in Surry Hills, Sydney in 1922 as a subsidiary of Kande Kitchenware. They manufactured and sold kitchenware until the 1960's.Price List - July 1st 1934 KAVANAGH & ENGLISH LTD. Manufacturers of 'Kande' kitchenware Lacey street, Sydney. It consists of 10 pages printed in B&W ink.The last 4 pages have B&W illustrations of kitchenware. A small leaflet ( measuring 12.5 x 9 cm) printed in red ink is glued to the front of the booklet. It mentions 'TERMS as from 1st July, 1934' There are two staples on the spine.

Black and white photograph of the front of MMTB Hawthorn Depot, June 1948 after the front of the sheds had been rebuilt and the brickwork removed. See image i2 for the rear of the photograph giving details. Notes the "T"shape reflector on the apron of the SW5 tram and that they were a wartime measure, being removed in the late 1940's and by 1951. Keith Kings photograph No. B(k)(8) Printed on Kodak Xralife paper.trams, tramways, hawthorn tram depot, depots

The ethyl chloride was packaged in a glass bottle with increments measuring volume in milliletres printed on the glass surface in black. The bottle is sealed with a with metallic spray nozzle secured by a cork and moulded red plastic. The original cardboard packaging has red print on white background. The text reads 'Woolwich Elliott 100ml. Ethyl chloride B.P. for General anaesthesia - Woolwich-Eliott Chemical Company Pty. Ltd. Sydney Made in Australia.''BORONIA' stamped on the packaging in blue ink. It is located below the packaging text. ethyl chloride, chemical, woolwich-eliott, anaesthesia, general anaesthesia, glass

This large compass is well made. It is now pitted and scratched, indication much use. Compasses were used to measure and mark out the head of the barrel by coopers. Very large compasses were used by block, spar and pump makers to help shave off angles left by axes and other tools on mast sides. Also they were used by blacksmiths in their work draftsmen, carpenters, engineers and navigators.This compass is an example of a drawing instrument that could have been used in the 19th and early 20th century by coopers and blacksmiths as well as navigators and ship smiths.Compass; large metal compass, 90-degree angle, two pointed arms hinged at the top. Inscription on the top of one arm.Stamped into the metal " J J E " ( or J J F )flagstaff hill, warrnambool, maritime village, maritime museum, flagstaff hill maritime museum & village, shipwreck coast, great ocean road, compass, drawing instrument, measuring instrument, scientific instrument, draftsman, technical drawing, navigation, engineering, blacksmith, cooper, plumber

By the late 1800s increasing numbers of Australian working men had at least one good suit as a sign of respectability. Suits could be purchased ready-made, made to measure from a local tailor. The introduction of electric irons meant that the old flat irons and gas stove no longer had to be used. This electric iron would have been used to flatten seams during the tailoring process. This item is representative of a now rare craft that has diminished in the contemporary world.An electric tailor's iron. It has a green base and a black handle. The body of the iron has a flat back and curves to a point at its front. Its handle is metal and is attached with large screws at the top and back side of the base. The top of the handle is covered in black plastic that has finger grooves. there is a black iron resting stand.

Rose Series postcard No. P 3350, titled "Town Hall Corner Melbourne", with a W2 southbound in Swanston Street and westbound W2 class No. 543 (City Route 47) in Collins Street with another W2 climbing the Collins Street hill eastbound. All trams have a white stripe and part white bumper bars as part of the WW2 blackout measures. The Melbourne Town Hall is in the background.Yields information the Melbourne Town Hall, early 1940sPostcard - printed real photograph with Rose Stereograph Co. name on the rear. Two copies held.On rear of 2nd copy in ink "To Kiwi No. 2975 from Kiwi No. 4755"tramways, trams, swanston st, collins st, w2 class, tram 543, world war ii, melbourne town hall, route 47

Notice to traffic staff dated 19/1/1955, Kew Depot about not punching of the Bundy Clock at Victoria Bridge during the AM peak as a temporary measure. Trams that shunted at this location were required to record the clock. This is possibly as the result of an incident at this location with motor car traffic and the difficulty to access the clock in heavy traffic. The circular was attached to another circular with the source details and could not be separated.Yields information about the use of the Victoria Bridge bundy clock in 1955.Notice - printed on special size paper with part of the heading underlined in ink.On rear is pencil archive note "Kew Depot 19/1/1955"tramways, bundy clock, crews, victoria bridge

Foresters usually measure the diameter of trees at Breast Height – traditionally 4 foot, 6 inches – now 1.3 m – which is termed Diameter Breast Height Over Bark (DBHOB). Basal Area is the cross section of the tree trunk at breast height, and the sum for the stand or group of trees is expressed square feet per acre (after 1973 it was expressed in square metres per hectare). Lots of skinny trees, or a few fat ones, can have the same Basal Area, but when combined with the number of stems, Basal Area is a good indicator of stand density. Two common methods are used to measure of Basal Area – fixed area plots and angle count sampling. 1. Fixed area plots require setting out a small area, commonly 50 m x 20 m, and measuring all the trees at breast height, and doing some quick sums. 2. Angle count sampling involves a simple sweep of the forest from a fixed sampling point using a relascope, dendrometer sight, angle gauge, or glass wedge prism. This wooden builders ruler has been shaped at one end to create a shallow angle (usually less than 3 degrees). Standing in one spot, a sweep is made with the wedge held to the eye, and trees are counted as either “in” or “out”. The number of trees is multiplied by conversion factor of the wedge (10 in this case) to estimate basal area. It’s very quick and effective.Basal Area Angle Gauge The two ends fold up and one end (on the right) has been reduced in width to create a shallow angle for the viewer Home made by cutting down a wooden builder's ruler Many forestry students made their own Basal Area Angle Gauges and its thought this may be oneforest measurement, forests commission victoria (fcv)

They sphygmograph was devised as an improved device to measure blood pressure, and was a marked improvement on the first machine of its type. The sphygmomanometer was considered cumbersome and the Dudgeon sphygmograph was smaller, and once placed into its box, could be carried in a pocket. The Dudgeon sphygmograph was introduced in 1881. It was strapped tot he wrist with a metal strip that moved a stylus. This transmitted a record of the pulse onto smoked paper, creating a record of blood pressure.The sphygmograph is housed in a purple-lined, leather bound case with a metal hinge and clasp located halfway up the case. It is constructed from chrome and comprises several moving parts including wires, knobs and handles. A black fabric strap with a metal attachment is also present, used to attach to the patient's wrist.blood pressure, dudgeon, pocket-sized, portable

In the 18th century, spring scales appeared. To produce these scales, a manufacturer would use the resistance of a spring to calculate weights, which could be read automatically on the scale’s face. The ease of use of spring scales over balance scales is what led most post offices to outfit their clerks with spring postal scales. One of the most common types of spring scales was the kitchen scale—also known as a family or dial scale. Designed for horizontal surfaces, these scales used the weight of goods in a pan at the top of the scale to force the spring down. Such scales were common in early-20th-century households and were sold by Sears and Montgomery Ward. Many had flat weighing surfaces but some were topped by shallow pans. Companies such as Salters, Chatillon, and Fairbanks made both. SALTER HOUSEWARES began in the late 1760 in the village of Bilston, England. At this time Richard Salter, a spring maker, began making 'pocket steelyards', a scale similar to the fisherman's scale of today. By 1825 his nephew George had taken over the company, which became known as George Salter & Co. and later established a large, well equipped manufacturing site in the town of West Bromwich. The business thrived throughout the 1900s, and in 1972 the company was purchased by Staveley Industries Plc. In 2002, the management team at Salter Housewares Ltd, backed by Barclays Private Equity, bought the company out from the group, to concentrate on its consumer businesses. In 2004 was sold to the US-based HoMedics company, and in 2006, Salter Housewares USA and Taylor Precision Products Inc (also owned by HoMedics) merged. Salter Brand No. 44 Household Spring Balance Kitchen Scales made of green painted metal with a large clock face dial marked in 1oz graduations and with a shallow metal bowl placed on the flat top connected to the mechanism. An adjustable screw tightened or loosened the spring to bring the pointer to zero, prior to adding the material to be weighed.. A common piece of kitchen equipment as most families used this type of scale when measuring goods for cooking or storing.On Clock face ; NO. 44 / HOUSEHOLD SCALE / TO WEIGH 14LB X 1OZ / Pro. Pat. No. 30819 / 32 / MADE IN ENGLAND / SALTER / S in trademark rope with arrow market gardeners, early settlers, fruit, vegetables, farmers, cooking, recipes, scales, weights, measures, brass, balance beam, moorabbin, cheltenham, bentleigh, kitchen scales, dairy products, cereals, wheat flour, salter housewares pty ltd, west bromwich england

How widely the prisoptometer was used is unclear but the Standard Optical Company later patented a new model, The Standard Prisoptometer, on June 21, 1904. Edward Jackson's crossed cylinder technique of determining astigmatism was first detailed in the Transactions of the American Ophthalmological Society (1887)4:595-598. The convenience of Jackson's crossed cylinder lenses over the prisoptometer in weight, cost, portability and reliability meant that they were soon almost universally adopted.This is a rare item as few are known world wide.This instrument is an optometer, that is, a device to measure the refractive error of an eye. It is made of cast iron, steel, brass and glass. It contains a prism which could be rotated, and was used to view a disc or an object circle. The prism caused monocular doubling of the object circle and the separation of the two images varied as the prism rotated, depending on the astigmatism present. The axis of the astigmatism was indicated by the prisoptometer and trial lenses were used to determine the the magnitude of the spherical and cylindrical refractive errorImprinted:"DR CULBERTSON'S PRISOPTOMETER/ GENEVA OPTICAL COMPANY MAKERS, GENEVA, N.Y./ PATENTED SEPT, 21, 1886". Stamped "853" on eyepiece and lens mounting.optometry, prisoptometer, optometer, astigmatism, refractive error, refraction, culbertson

Grindstones like this were not carried but hidden in special places with subtle indicators known only to the same tribe or nation. The small and deep nature of the pits suggests this rock may have been used for ochre with the smaller pits being used for water or fat to mix with the pigments. The very hard and dense nature of the rock means materials would not be contaminated during the grinding process.This rock is likely to be very old and is potentially significant from ceremonial perspective. Stones like this have been known to be passed on through multiple generations and been in use for hundreds and possibly thousands of years.This grindstone has hollows on both sides. One large hollow on one side measures approximately 7 cm across and 2 cm deep. The opposite side is distinguished by 3 pits, one large (5 cm wide by 3 cm deep) and two small indentations 2cm by 1cm. The hollows have been chipped and smoothed. The base rock is in the shape of a flattened and slightly elongated sphere, it appears to have been water worn.The side with three pits also bears recent scratches believed to be cut by a disk plough. It also appears to have a capital "W" inscribed in the largest pit.jaara, hidden, grindstone, ochre, quartzite, multiple hollows, pits, aboriginal food and art