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 from H. C. Turner, Secretary of Scalebuoys Limited asking if the Bendigo Electronic Co. would send Mr. Barrett particulars of Scalebuoys. Letter dated August 29, 1938. Letter typed on paper with printed letterhead.sciences, instruments - general, bill ashman collection - correspondence, scalebuoys limited, the bendigo electronic co

Newspaper cutting titled New Private Companies, Auckland Registrations. Electronic Company of New Zealand, Limited, to market a device for treating water. R. H. S. Abbott, W. N. Abbott and A. K. Duthie has shares. Scalebuoys (New Zealand), Limited to market a device for treating water. Subscribers were A McG Grant, W A Fairclough, F C Mappin, C H Robertson, W H McCorkindale, W N Abbott, R. H. S. Abbott and J W Tattersfield.sciences, instruments - general, scalebuoy, bill ashman collection - correspondence, electronic company of new zealand limited, r h s abbott, w n abbott, a k duthie, scalebuoys new zealand limited, a mcg grant, w a fairclough, f c mappin, c h robertson, w h mccorkindale, w n abbott, j w tattersfield

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

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

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

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

Two page letter to Mr. R. H. S. Abbott from the Managing Director of Scalebuoys (New Zealand) Limited. (Signature illegible). Dated 25 September, 1936. Letter typed in blue with red underline on paper with printed letterhead. It has a green scalebuoy with Scalebuoys (New Zealand) Limited printed across it. The letter mentions that goods were consigned by Hardley's per the S. S. 'Aorangi'. He is also asking if any Scalebuoys have been used in connection with Sewerage Works. He also mentions at the end that he has attached some photo of Mr. R. H. S. Abbott and Dr. Abbott.sciences, instruments - general, scalebuoy, bill ashman collection - correspondence, national mutual life chambers, mr r h s abbott, hotel australia sydney, hardley's, s s aorangi, aukland and suburbs drainage board, dr abbott

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

Business card with the name Homer L. Rank representing The Strong-Scott Mfg. Co. Minneapolis, Minn. On the back is written Taylors Limited E. W. Taylor 623 Colombo St Christchurch.sciences, instruments - general, scalebuoy, bill ashman collection - correspondence, homer l rank, the strong-scott mfg co minneapolis, taylors limited, e w taylor

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

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

Two printed Application Forms for Hiring Radio-electric Medical Units. Secretaries and address printed at the top of the page. The first page mentions how the Scalebuoy works and its effects on the water. Also the different things that can happen to the body. On the back are Instructions for the Use of the Radio-electric Medical Unit and the hiring of the Units. A form is at the bottom of the page for the Medical Officer to fill in as it required a Doctor's order to hire one.sciences, instruments - general, scalebuoy, bill ashman collection - correspondence, the electronic company of new zealand limited, mr wallace, mr bruce, mr duthie, mr voyce, national mutual life chambers, radio-electric medical unit, application for hiring radio-electric medical units

Letter from McPherson's Limited to Messrs Bendigo Electronic Co. of Australia, dated 15 November,1950. Letter is from John Byrt, Asst. Chemist for Attention Mr. Stevenson. Cover letter states they have enclosed copies of Report No. 17355 covering 'Dezincification of Brass Wire in 'Scalebuoy' Water'. Two pieces of wire were analized. In the discussion the brittleness had resulted from dezincification,which was known to be a common type of corrosion of that material. It was recommended that different wire be used. Four alloys were recommended: Cupro-nickel, Aluminium brass, Arsenical brass and Admiralty brass. Two copies of the report.sciences, instruments - general, scalebuoy, bill ashman collection, mcpherson's limited, messrs bendigo electronic co of australia, mr stevenson, j byrt

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