Two typed copies of a letter dated 21 June 1938. Letter is to Mr. W. H. McCorkindale from J. S. Stevenson, Manager of the Maungatapere Co-operative Dairy Co. Ltd. He mentions the condition of the boiler after six months of Scalebuoy Treatment.sciences, instruments - general, scalebuoy, bill ashman collection - correspondence, maungatapere co-operative dairy co ltd, w h mccorkindale, scalebuoy's ltd, j s stevenson

Four copies of a typed letter from ? Bell, Manager of the Union Oil, Soap & Candle Co. Ltd. To Scalebuoys (N. Z.) Ltd., dated 16 February, 1938. Letter refers to Scalebuoy treatment of water for boiler feed. Mentioned is how clean the boiler were of scale and sludge. Letter typed on paper with printed letterhead.sciences, instruments - general, scalebuoy, bill ashman collection - correspondence, union oil soap & candle co limited, scalebuoys (n.z.) ltd, ? bell

Black and white photograph of a large Scalebuoy Unit and other various parts and units arranged on the floor in front of the large unit. Photo pasted onto an album page and some newspaper cuttings from The East Anglian Daily Times dated Wednesday, April 7, 1937 on the back. Cuttings mention the Funeral of Capt. J. Brooks Close, Auckland Registrations of New Private Companies including Electronic Company of New Zealand, Ltd, Scalebuoys (New Zealand) Ltd and some travel arrangements of Richard H. S. Abbott.sciences, instruments - general, scalebuoy, bill ashman collection - correspondence, scalebuoy, east anglian daily times 7/4/1937, r h s abbott, capt james brooks close, electronic company of new zealand ltd, scalebuoys (new zealand) limited

Two typed copies of a letter from ? Bell, Manager of the Union Oil, Soap & Candle Co. Limited to Scalebuoys (N.Z.) Ltd., dated 7 March, 1938. He mentions that they are so satisfied with the Scalebuoy treatment of the water for Boiler Feed that they want to install another one for a small boiler. He asks to let him know what is required. Letter has printed letterhead.sciences, instruments - general, scalebuoy, bill ashman collection - correspondence, union oil soap & candle co limited, scalebuoys (n.z.) ltd, national mutual chambers auckland, bell

Two copies a typed letter with printed letterhead, dated March 7, 1938. Letter is from ? Moody of Moody's Dye Works Ltd. To Scalebuoys (N. Z.) Ltd. He mentions since using the Scalebuoy soap is more readily and completely removed from goods that have to be wet cleaned and also gives better penetration for dyeing. He also mentions that the boiler was in better condition and they have stopped using the compound they were using. Letterhead has a photo of Moody's Dye Works on the left side of the letterhead.sciences, instruments - general, scalebuoy, bill ashman collection - correspondence, moody's dye works ltd, scalebuoys (n.z.) ltd, moody

Two copies of a typed letter, printed on paper with a printed letterhead, dated 17 September, 1937. Letter is from the Secretary of Knox Home to the Managing Director, Scalebuoys (New Zealand) Ltd. He mentions he has enclosed a cheque for payment of the Scalebuoy equipment and they were quite satisfied with it.sciences, instruments - general, scalebuoy, bill ashman collection - correspondence, n a duthie, national mutual life chambers auckland, knox home, scalebuoys (new zealand) ltd

Three typed copies of a letter dated 29 June, 1938. Letter is to Scalebuoys (New Zealand) Ltd. From the Manager of The Whangarei Co-op Dairy Company Ltd. Mentioning the improvement in the condition of the two boilers since using the Scalebuoy. Also mentioned that using the treated water gave a better result for washing the five churns than the untreated water.sciences, instruments - general, scalebuoy, bill ashman collection - correspondence, whangarei co-operative dairy company, ltd, scalebuoys (new zealand) ltd, babcock

Three buff coloured envelopes with Frank A Stevenson 62 Honeysuckle Street Bendigo stamped above Bendigo Electronic Company of Australia Pty Ltd, in green a picture of a Scalebuoy.communication, postal, envelope

Large bundle of approximately 300 double sided sheets of directions for the use of the Scalebouy hand shaker for bath basin or drinking vessel printed by the Bendigo Electronic company of Australia Pty Ltd Sole Distributor Frank A Stevenson 62 Honeysuckle Street Bendigo.sciences, instruments - general, scalebuoy, bendigo-inventions-scalebouys-bendigo electronic company

5 copies of small booklet titled Scalebuoys Electronically Radiated Water for Health and Other Uses, produced by the Bendigo Electronic Coy Pty Ltd Reg Office Broadcasting House View Pt Bendigo Phone 3636, sole Australian Distributor Frank A Stevenson 62 Honeysuckle Street Bendigo Victoria Australia phone 1321, printed by Cambridge Press Bendigo.sciences, instruments - general, scalebuoy

Booklet on Alfloc water treatment service along with a one page letter from H.B.Selby & Co Pty Ltd to Bendigo Electric Company of Aust Pty Ltd with reference to Scalebuoys.sciences, instruments - general, scalebuoy

Envelope which contained letters and plans addressed to Bendigo Electronic Coy. Of Aust. Ltd. Non-delivery address McPherson's Ltd. 6-1/2d red stamp marks in top right corner. Cancelled 23SEP57. Return address printed in green.sciences, instruments - general, scalebuoy, bill ashman collection - correspondence, bendigo electronic coy of aust ltd, mcpherson's ltd

Group of paper pinned together of various experiments. Items include Tail light invention for Defence Dept. 18/9/41, Heat of glass, Refractive Index Tests on Melbourne Tap Water 31/7/42, Research Data, Manufacture of the Buoys 18/1/43, Specifications 1/12/42, List of substances with their Atomic No., Symbol, Atomic Weight, Melting Point and Year of discovery and a hand drawn diagram for an experiment. Bendigo Electronic Company of Australia Pty Ltdsciences, instruments - general, scalebuoy, bill ashman collection - correspondence, bendigo electronic company of australia pty ltd, defence dept, capt slattery, f a stevenson

Dull orange folder containing copies of letters, brochures, information sheets and some newspaper cuttings. Name on the front is Frank A. Stevenson 244 Hargreaves St Bendigo. Letters date from 1937 to 1942. Newspaper titles include: Prevention of Rust- Principle of the Scalebuoy, Scalebuoys in Cars, Tragic Death of Captain Hartley Abbott and the Obituary of Captain R.H.S.Abbott.sciences, instruments - general, scalebuoy, bill ashman collection - correspondence, frank a stevenson, mr bacon, amalgamated freezing co bendigo, g whalley, gunbower co-operative butter factory & trading coy ltd, mr wallace, j charlesworth, d v evershed, bendigo electronic co, walshes crown hotel, hunter bros, wybgones unit, 180 gold mining co, o'hallorans cyanide unit, crystal ice works, stevenson unit, bendigo council, central nell gwynne, nth deborugh g m co, deborugh g m c, deborugh consolidated, cohuna butter factory, geo ross, victorian producers' co-operative coy ltd, h abbott, ernest f o liddell, rothacker bros, motor spares ltd, leggo's buildings, t j jorgensen, mr robinson, stevenson bros, r h s abbott, d c house, the electrical factor in metabolism, w n abbott, the great boulder proprietary gold mines ltd, w o galletly, mr stronell, newport workshops, victorian railways, mr brownbill, mr james, the university of melbourne, j l osborne, n clarkson, sister mary gonzaga, st joseph's hospital, mater misericordiae hospital, mr herzog, sister m monica?, vacuum oil, j johns, h j grigg, w a walsh, market square, crown hotel, g e cole, transport & engineering in australia 16/12/1937, mr menderson, mr ross, sanitary age 8/2/1935, northern kiwanis clubs, harry a baxter, w h cunningham & hill ltd, link-belt co ltd, sir william crooks, royal zoological society, ginna works germany, close brothers, w h taylor, geo taylor hardware co ltd, details of hydraulic spinner unit (scalebuoy), a davidson, john g kelly inc, hannon, myers wishart, kennedy, mr critten, pennsylvania rubber coy, paul a douden & co, w e humphrey, kansas city public service co, smith, tangney hotels, wahkonsa hotel, muscatine hotel, arlington hotel, burke hotel, helen tangney-springer, f w woolworth co, w w edan, ymca, n f alcock, b j ingram, scalebuoys, bendigo electronic company of australia proprietary limited, a s bloomfield, harry ponsonby mackenzie, arthur robinson & co, the commercial banking company of sydney ltd, a t madden, victorian railways, e c eyers, city of bendigo, frank h day, lane's motors pty ltd, h c holland, union oil soap & candle co ltd, knox home, n a duthie, w h mccorkindale, maungatapere co-op dairy co ltd, the whangarei co-op dairy co ltd, w h millingford, kettering cartons limited, j g arlidge, w e humphrey, kansas city public service company, h w smith, prospectus of scale buoy distributors limited, edwin gripper banks, richard hartley smith abbott, frank shaw fitchett, hayden smith & fitchett, the commercial bank of australia limited, william john stanley horsfall, frank cooper, scott's hotel, a j phillips, stringer & phillips proprietary ltd, e g banks, edwin gripper banks, reginald william stringer, frank cooper, claude gordon robinson, s reid

Small white business with the name Keith Butler, Production Superintendent. The Broken Hill Proprietary Co. Ltd. (Iron & Steel Works) Newcastle. Australia.sciences, instruments - general, scalebuoy, bill ashman collection - correspondence, keith butler, the broken hill proprietary co ltd

Sheet of notepaper headed Menzies Hotel Melbourne. A number of names written on the paper for 4B Units Loaned.sciences, instruments - general, scalebuoy, bill ashman collection - correspondence, menzies hotel melbourne, j g robertson, parsons bros ltd, dodds

Letter, dated 2 February, 1954, from Roy Michaelis to Mr. F. A. Stevenson. Letter typed on paper with printed letterhead. In the letter the writer mentions that he has a pipe line which has fouled up and he was inquiring if a scalebuoy would improve the problem. The second letter ( a carbon copy), dated 10/2/54, is to Mr Roy Michaelis from (name obscured). He mentions that he has thought about it but he can't see any way to help at the moment. He also says that the scalebuoy needs a steady flow of water which the hydraulic ram does not give. He also refers to some other work he has done elsewhere.sciences, instruments - general, scalebuoy, bill ashman collection - correspondence, michaelis hallenstein & co pty ltd, f a stevenson, roy michaelis

Letter, typed on paper with printed letterhead of Scalebuoys Limited. Astor House, Aldwych, London, W.C.2. Letter mentions the enclosure of a list of Foreign Agents. Also mentioned is the use of Scalebuoy water for the canning industry.sciences, instruments - general, scalebuoy, bill ashman collection - correspondence, scalebuoys limited, h c turner, scalebuoy company boston, w h cunningham & hill ltd, bendigo electronic company, scalebuoys (n.z.) limited, herr otto wulfrath, societe des chaudieres electriques francaises, don watson & co ltd, major t d hackett, commandante v betteloni, w h holt white, findlay durham & brodie, zuberbuhler & co, g kolovitch, g m b close, g p barker, l f norris

Letter, dated 17 October,1943 to Mr. F. Stevenson from ? Wallace, Engineer-in-charge at the Gunbower Co-operative Butter Factory and Trading Coy. Ltd. He mentions in the letter the amount of scale that has been dislodged in the boiler since the Scalebuoy was installed. Letter has printed letterhead in shades of brown.sciences, instruments - general, scalebuoy, bill ashman collection - correspondence, gunbower co-operative butter factory and trading coy ltd. f stevenson, wallace

Cream booklet with brown printing titled Bendigo Electronic Company of Australia Proprietary Limited. Includes Capital, number of Shares, Directors, Solicitors, Bankers Registered Office, Copy of a letter re Patents, Information about Scalebuoys, Users of Scalebuoys, What Scalebuoys Do and Where they are used, Also copies of letters from the Victorian Railways, City Overseer Bendigo, Lane's Motors Pty Ltd Melbourne, Union Oil, Soap & Candle Co. Ltd NZ, Knox Home NZ, Maungatapere Co-Op Dairy Co. Ltd., Whangarei Co-operative Dairy Company Ltd. NZ, Kettering Cartons Limited England, Pennsylvania Rubber Company USA, and the Kansas City Public Service Company USAsciences, instruments - general, scalebuoy, bill ashman collection - correspondence, bendigo electronic company of australia pty ltd, a s bloomfield, r h s abbott jnr, harry ponsonby mackenzie rn (retd), arthur robinson & co, the commercial banking company of sydney limited melbourne, a t madden, h a abbott, e c eyers, frank stevenson, city of bendigo, frank h day, lane's motors pty ltd, h c holland, national mutual chambers (n.z.) ltd, union oil soap & candle co ltd, knox home, n a duthie, w h mccorkindale, maungatapere co-op dairy co ltd, j stevenson, the whangarei co-op dairy company ltd, w h millingford, kettering cartons limited, j g arlidge, pennsylvania rubber company, paul a douden & company, w e humphrey, kansas city public service company, h w smith, j t picken & sons

Paper headed Geo. Pizzey & Son Ltd. Poms Fur Trimming. Dated August 7 Thursday 1947. Campbell's Linen Carpet Sewing thread. All printed at the top of page. Hand written is Sample taken from Walshes Machine 1/8'' brass wire from 6 buoy frame 12 buoys. From the check piece and the sample there was a loss of 35.58% of the weight.sciences, instruments - general, scalebuoy, bill ashman collection, geo pizzey & son ltd, poms fur trimming, campbell's linen carpet sewing thread, walshes

Eleven page article titled Water Softening in the Boiler by the 'Alfloc' System. This is an internal method of conditioning boiler feed water and the use of coagulants designed to prevent scale formation in the boiler and accessory plant, to reduce corrosion to a minimum, and further to provide for those conditions in the boiler water which from present experience are believed to prevent the occurrence of caustic ombrittlement. Different chemicals were used to suit different types of water in different areas. Items discussed are: Summary, Introduction, External treatment, Internal Treatment, General Principles of the 'Alfloc' Internal Treatment, Precipitation of the Scale-forming Salts, Temporary Hardness, Permanent Hardness, Conditioning of the Precipitate - Floc Formation, Efficient Control of the Concentration of both Dissolved and Suspended Solids by Blowdown, Prevention of Corrosion, Testing and Control, The 'Alfloc' Reagents for Internal Treatment, 'Alfloc' Liquors, 'Alfloc' Briquettes, Alfloc' Powders, Methods of Application, Liquors - Stationary boilers and Locomotive boilers, Briquettes - Stationary boilers and Locomotive boilers, Powders, Blowdown, Sludge, Caustic Embrittlement, Control of 'Alfloc' System, Cost and Economies of 'Alfloc' Internal Treatment and 'Alfloc' Water Treatment Service. Listed on page 11 are ICIANZ Sales Offices the Australian States. Between pages 7 and 8 is a page of diagrams. They are: Showing method of feeding liquors to the feed tank of boilers for 'Alfloc' internal treatment, typical arrangement of pressure vessel and typical arrangement of 'Alfloc' by-pass feeder.sciences, instruments - general, scalebuoy, bill ashman collection, alfloc system, imperial chemical industries limited alkali division, alfloc liquors, alfloc briquettes, alfloc powders, imperial chemical industries of australia and new zealand limited, elder smith & co limited, chemical & textile agencies pty ltd

Typed carbon copies of two letters stapled together. The first letter is from W. H. Noe to R. H. A. Abbott and dated 25 July, 1938 discussing Scalebuoys and who was using them. The second letter is from W. H. McCorkingdale to Mr. Hough, Works Manager, Lever Bros. (N.Z.) Ltd., dated 25 July, 1938. Letter mentions the use of Scalebuoys, application, companies using them, and he asks if considering Scalebuoys at the works to send him some information.sciences, instruments - general, scalebuoy, bill ashman collection - correspondence, scalebuoys new zealand limited, r h a abbott, scott's hotel melbourne, hardley's works, lever bros of australia, mr hough, w h noe, hawke's bay farmers' freezing company, mater misericordiae hospital auckland, st joseph's, whangarei dairy company, maungatapere dairy company, n z railways, the union oil soap & candle company, knox's home, moody's dye works, ellis & burnand (sawmillers), walter buchanan ltd, findlay's gold krust bakeries, kaiticke dairy company, pennsylvania rubber company, page-hersey tube company, w h mccorkingdale

Printed brochure titled ' A Scientific Treatise on Scalebuoy Process of Water Treatment. Top of front page has a green bulb at the top with the title underneath. Brochure gives the history of the Scalebuoy, the fundamental principles, use and a summary of the Scalebuoy method of water treatment. Written by R. H. S. Abbott.sciences, instruments - general, scalebuoy, bill ashman collection - correspondence, a scientific treatise on scalebuoy process of water treatment, scalebuoys (new zealand) ltd, r h s abbott, herald printing works auckland

Notes from C & H Ltd., dated Sept 16, 1937 titled 'Scale Buoys'. Typed on paper with printed letterhead of W. H. Cunningham and Hill, Limited. Notes are a review of results since W. H. Cunningham and Hill, Limited, Wholesale Plumbing and Heating Specialists were handed a patented article, told what it would do, how to apply it, and started out to prove it.sciences, instruments - general, scalebuoy, bill ashman collection - correspondence, w h cunningham and hill limited, dr blackhurst, the scalebuoy company

Carbon copy of a letter dated 27 June, 1938. Letter is to A. S. Bloomfield, Esq. No name of who it is from. Items mentioned are: What the Scalebuoy Process is, Fields of Application, Installations operating in the State of Victoria, Patents, Gross Margin of Profits, Promotion and Finance, Manufacture and Working Capital.sciences, instruments - general, scalebuoy, bill ashman collection - correspondence, scotts hotel, a s bloomfield esq, nell gwynne gold mine bendigo, crown hotel bendigo, hunters cordial factory, ice works bendigo, victorian railways, bendigo electronic company of (australia) pty ltd, r h s abbott, h a abbott

Leaflet from the Bendigo Electronic Company of Australia Pty. Ltd. Titled 'Directions for the use of 'The Scalebuoy hand Shaker' for Bath, Basin or Drinking Vessel. Leaflet gives instructions for the use of the Scalebuoy by Frank A. Stevenson. On the back are pictures of the hand Shaker Scalebuoy and the Vest Pocket Scalebuoy.sciences, instruments - general, scalebuoy, bill ashman collection - correspondence, bendigo electronic company of australia pty ltd, frank a stevenson, the scalebuoy hand shaker

Light tan envelope addressed to Messrs Bendigo Electronics Co. of Australia, 31 View Street, Bendigo. Attention Mr. Stevenson. McPherson's Ltd. Box 4500 Melbourne, Victoria printed in the bottom left corner. Envelope contained 2 negatives, 3 photos (2 the same) and a piece of paper with a typed 'Modern Physical Laboritory Practice by John Spring, Ph. D.'scalebuoy, bill ashman collection - correspondence, mr stevenson, bendigo electronic co of australia, mcpherson's ltd

Envelope printed with Bendigo Electronic Company of Australia Pty. Ltd. Sole Distributor Frank A. Stevenson 244 Hargreaves Street, Bendigo. In the bottom left corner. Printing is over the top of a green Scalebuoy Unit.sciences, instruments - general, scalebuoy, bill ashman collection - correspondence, bendigo electronic company of australia pty ltd, frank a stevenson, envelope

Printed Order No. L 941 from Victorian Railways, to Bendigo Electronic Company of Aust. Pty. Ltd. 35 View Street, Bendigo, dated 22 October, 1942 for Fitting to Monotype Water Cooling System Scalebuoy (for 200/cc) with tank by-pass. Cost £30.0.0. Initialled by H. S. Sergeant, Comptroller of Stores.sciences, instruments - general, scalebuoy, bill ashman collection - correspondence, victorian railways, bendigo electronic company of aust pty ltd, monotype water cooling system scalebuoy, h s sergeant