Seven page letter to Mr. A. J. Phillips mentioning what Scale buoys are, What they do, How they function, Who uses them and the benefits of their use and the Low cost of use. On the last page is listed 8 Advantages of Scale Buoys.sciences, instruments-general, scalebuoy, bill ashman collection, scott's hotel, mr a j phillips, scale buoys

Three page handwritten letter dated 28/06/1989. The letter is signed but unable to decipher the name. It is a letter replying to a question about scale buoy. scale buoys, bendigo electronic

Letter dated November 12, 1937 to Paul A. Douden & Co. from W. W. Eden, Mgr. F. W. Woolworth Co. W. W. Eden mentions that since installing Scale Buoys over two years age we have had no trouble from scale or lime deposits at all in our system, except for the water used for cooling the natural gas engines. This water didn't come in contact with the Scale Buoys and they contemplated additional units to treat it. They also had no scale in the coffee makers and dish washers.sciences, instruments - general, scalebuoy, bill ashman collection, f w woolworth co, paul a douden & co, scale buoys, w w eden

Cutting from The Sanitary Age, dated September 7, 1934. Cutting is pasted on an exercise book page. Article has an illustration of a household installation of a Scale Buoy and a Hand-operated Scale Buoy. It also mentions how the Scale Buoy works and the benefits of using them.sciences, instruments - general, scalebuoy, bill ashman collection - correspondence, the sanitary age, canadian national exhibition, scalebuoys

Copy of a letter dated 25 January, 1937, from Frank A. Stevenson to R. H. S. Abbott. Letter details the changes in the colour of the water from the diesel engines on the 180 Gold Mining Coy., Bendigo, after the Scale Buoys were installed.sciences, instruments - general, scalebuoy, bill ashman collection - correspondence, stevenson bros. motor service station, r h s abbott, crown hotel, 180 gold mining coy, frank a stevenson

Four letters from Helen Tangney-Springer, Manager of the Wahkonsa Hotel, Fort Dodge, Iowa to Paul A. Douden & Company, dated November 13, 1937. Mentioned in the letter is the use of Scale Buoys in the coffee urns and the hot water tank and the difference in the cleaning of them.Letterhead - Tangney Hotelssciences, instruments - general, scalebuoy, bill ashman collection - correspondence, e c tangney, helen tangney, h h mueller, e j tangney, tangney hotels, wahkonsa hotel, muscatine hotel, arlington hotel, burke hotel, paul a douden & company, helen tangney-springer

Five copies of a letter to Paul A. Douden & Company from W. E. Humphrey, Chief Engineer, dated November 12, 1937. Paper has printed letterhead with a photo of the rubber company at the top. Writer mentions that they are pleased with the work of the Scale Buoys and that there is no scale in the pipes. Previously they had to replace piping regularly.sciences, instruments - general, scalebuoy, bill ashman collection - pennsylvania rubber company, paul a douden & company, w e humphrey

Copy of a letter, dated 20 February, 1937, to Stephens Garage from Gordon Gray. He details the operation of his car after the installation of Scale Buoy. He mentions Water, Oil and petrol consumption. Also mentioned is carbon and exhaust. He also mentions that he used Super Plume Petrol and since the installation of 'Scalebuoy' he then used Plume Petrol.sciences, instruments - general, scalebuoy, bill ashman collection - correspondence, stephens garage, super plume petrol, plume petrol, gordon gray

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

Seven copies of a letter from W. W. Eden, Mgr., F. W. Woolworth Co., dated November 12,1937 to Paul A. Douden & Co. He mentions that since installing the Scalebuoys over two years ago they have had no trouble with scale in the water systems where the Scale buoys were installed and they are contemplating installing in the water they used for cooling their natural gas engines. Since installing the scalebuoys there has been considerable savings on soap powders.sciences, instruments - general, scalebuoy, bill ashman collection - correspondence, f w woolworth co, paul a douden & co, w w eden

Black and white photo by Vincent Kelly. Typed on the back: Four Buoy house unit. Dish in picture is an old iron dish which has been used for fowls to drink out of. The photo speaks for it self. After a few weeks treatment by pouring in a dipper full of Scalebuoy Water daily the results of the process can be seen. Note the patches where the scale formations have been removed. The photographer's name - Vincent Kelly Bendigo is imprinted in the bottom left corner.sciences, instruments - general, scalebuoy, bill ashman collection - correspondence, four buoy house unit, vincent kelly

Black and white photo of two men outside a building with two piles of scale and a Scalebuoy Unit. One man standing beside the door is wearing a suit and the other man, sitting on a box, is wearing overalls and he is holding a six buoy unit. One pile of scale is pale and the other is black. Written in the photo is Shrensbury Dairy Co (N.J). Beside the black pile of scale is: Scale removed July 12-1933 and beside the pale heap is: Scale removed May 10-1933. At the bottom is: Electronic Buoys Installed Feb. 26-1933. Photo is pasted on an album page. On the back is another sepia photo of a very large scalebuoy unit which is resting on the ground. Behind it a large tank resting on two large concrete blocks.sciences, instruments - general, scalebuoy, bill ashman collection - correspondence, shrensbury dairy co (n.j)

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

Piece of paper with a sketch of a Scalebuoy Unit used in conjunction with water treatment & Plant attached to a wood fired Boiler at the Pyramid Hill Butter Factory. Sketch shows the Scalebuoy Unit. Note at the bottom mentions that he did not see the unit as it was intended for use. The unit had been broken up when he first saw it. Would have been about thirty mercury flasks, each of which was covered in an easily removable film of salt deposit. Interest was sparked after cleaning one of the flasks and seeing the engraving. He regretted not taking the whole of the unit. On the back is written the name - Frank Honeychurch-8 Harley St, Bendigo 1/3/02.sciences, instruments - general, scalebuoy, bill ashman collection - correspondence, pyramid hill scale buoy butter factory, frank honeychurch

Black and white photograph showing a man standing beside a bench piled with scale. The bench is held up by a couple of boxes. He is holding some pieces of scale. Written on the back is : Scale Removal from Cohuna Butter Factory Boiler 1942. 24 buoy Machine. Most of this scale was from the tubes. Much more had been taken out at previous openings.sciences, bill ashman collection - correspondence, photograph, cohuna butter factory boiler