Copy of a letter, dated 12/12/41, to Mr. Bacon of the Mines Department, Treasury Gardens, Melbourne from G. Whalley. Letter mentions a boiler at Cohuna which had a scale problem. After the installation of Scalebuoys the scale fell off the interior of the boiler in a short time.sciences, instruments - general, scalebuoy, bill ashman collection - correspondence, bendigo electronic company of australia pty ltd, amalgamated freezing coy, mr bacon, mines department melbourne, gunbower butter factory, cherrokee, mr f stevenson, g whalley

Letter, dated 17 August, 1938 from E. C. Eyers to Mr. H. A. Abbott. He refers to a previous letter, addressed to the Chief Mechanical Engineer, that the Commissioners had approved of a settlement of £270 for 52 scalebuoys supplied for engine No. 875 and that a cheque would be sent in the next few days. Letter has printed letter head with Victorian Railways logo at the top.sciences, instruments - general, scalebuoy, bill ashman collection - correspondence, victorian railways, h a abbott, bendigo electronic company of australia pty ltd, e c eyers

Eight page brochure printed by Cambridge Press titled Scalebuoys. Sole Australian Distributor Frank A. Stevenson, 62 Honeysuckle Street, Bendigo. Pages have green horizontal lines. Brochure mentions the Scientific Treatise of Scalebuoy Process of Water Treatment by the Creator R. H. S. Abbott, Jnr. Other topics are How Scalebuoys Function, Not a 'Watersoftener', Special Features, First Cost is the Last Cost. Scalebuoy Units are for Domestic Household Tank Unit, Hydraulic-Nozzle Tank Unit and Scalebuoy Tap Unit. Practical Applications of Scalebuoy for Domestic Uses are listed. There is also a Scalebuoy hand Unit, Vest Pocket Unit, Large Hydraulic-Nozzle Tank Unit and a Motorized Tank Unit. There are illustrations of the Units. There are also a list of A Few of the Many Industrial and Processing Applications. On the back page is a Special Note on Medical use of Scalebuoys.sciences, instruments - general, scalebuoy, bill ashman collection, scalebuoys, the scalebuoy company, frank a stevenson, r h s abbott jnr, bendigo electronic coy of australia, cambridge press

Black leather look binder containing information, letters, diagrams, plans, drawings, graphs, telegrams & photographs all relating to Scalebuoys.sciences, instruments - general, scalebuoy, bendigo-inventions-scalebuoys-bendigo electronic co-abbott

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

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

Five letters referring nylon bearings for use with Scalebuoys.Two dated 20/9/1957 and 30/9/1957 are from McPherson's Limited with information on the bearings. Three dated 16/9/57, 2/11/57 and 28/9/57 are enquiring about the suitability of the nylon bearings.sciences, bill ashman collection - correspondence, mcpherson's limited, bendigo electronic company of aust ltd, h g england, nylon bushing

Brochure titled Scalebuoys. Contains Scientific Treatise of Scalebuoy . . . Process of Water Treatment (By the Creator R. H. S. Abbott, Jnr.)Also mentions How Scalebuoys Function, Not a 'Water-Softener', Special Features and First Cost is the Last Cost. Scalebuoys Units includes Domestic Household Tank Unit, Hydraulic-Nozzle Tank Unit, Scalebuoy Tap Unit, Practical Applications of Scalebuoy for Domestic Uses, Scalebuoy Hand Unit, Vest Pocket Unit, Large Hydraulic-Nozzle Agitation Tank Unit, Motorized Tank Unit, A Few of the Many Industrial & Processing Applications, Motor Car Unit and a Special Note on Medical Use of Scalebuoys.sciences, instruments - general, scalebuoy, bill ashman collection - correspondence, frank a stevenson, r h s abbott jnr, bendigo electronic coy of australia, cambridge press

11 Leaflets produced by the Bendigo Electronic Coy Bendigo Victoria Australia, printed by Cambridge Press Bendigo with instructions in use and fitting of Scalebuoy Tap Unit.sciences, instruments - general, scalebuoy

Assorted letters, notes, drawings all relating to Scalebuoys, some between Bendigo Electronic Company and Cohuna, Gunbower & Rochester Butter Factories.organization, business, butter factory

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

44 leaflets produced by the Bendigo Electronic Coy 244 Hargreaves Street Bendigo Victoria Australia, printed by Cambridge Press Bendigo with instructions in use and fitting of Scalebuoy Tap Unit.sciences, instruments - general, scalebuoy

Scalebuoy. Invented by Hartley Abbott and patented under the name of the Bendigo Electronic Company, made in various sizes & for different applications, such as to prevent scaling in the boilers at mines. Scalebuoy case is a 57 long cylinder 13 centimetres diameter with two pipe fittings coming from it. Each end of the cylinder is removable. sciences, scalebuoy, bill ashman collection

Bundle of approximately 150 leaflets for instructions in use and fitting of Scalebuoy tap unit produced by the Bendigo Electronic Coy 244 Hargreaves Street Bendigo Victoria Australia, printed by Cambridge Press Bendigo.sciences, instruments - general, scalebuoy

Leather display case holding scalebuoys belonged to Bill Ashman, who was a salesperson for the Abbott company. A Scalebuoy is a handheld water treatment device, invented by Hartley Abbott and patented under the name of the Bendigo Electronic Company, designed to prevent scale buildup in water vessels and boilers by supposedly "softening" the water. Brown leather case with 2 keys containing 4 scalebuoys of various types and sizes held in a blue velvet holder & a pocket in lid holding 9 publications by W.N.Abbott on the uses of Scalebuoys along with 2 letters attesting to the success of Scalebuoys.scalebuoy, w. abbott

20 leaflets re Scalebuoys, Extrinsic Renal Factor (Reprint from the British Medical Journal dated 11th March 1944 Letters to the Editor, page 373) by W.N.Abbott. Printed by Cambridge Press Bendigo with compliments of Bendigo Electronic Coy, F.A.Stevenson sole Australian Distributors Bendigo.sciences, instruments - general, scalebuoy

Black and white photograph in a Bendigo Electronic Company envelope noted photo kidney stone Frank Dodd Mildura, notation on back of photograph reads, kidney stone passed 20 months 607 days using Scalebuoy water, from Mr Frank Dodd 155 13th Street Mildura.medical

Scalebuoy. Invented by Hartley Abbott & patented under the name of the Bendigo Electronic Company, made in various sizes & for different applications, such as to prevent scaling in the boilers at mines. Made up of a sealed glass bulb containing mercury and gasses enclosed within a chromed wire cage & with a chromed handle. The one shown being a hand held shaker model.sciences, instruments - general, scalebuoy

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

This is a set of four photographs of Bell 47G-2 helicopters used in Royal Australian Survey Corps Field Operations. c1965. From 1957, helicopter transport of survey parties revolutionised transport in remote areas. The most common helicopter used by the Royal Australian Survey Corps at this time was the civilian Bell 47G-2 and the Sioux, the Australian Army’s’s equivalent. equivalent. From 1964 an Aerodist MRC2 airborne Electronic Distance Measuring (EDM) system was extensively used for topographic surveys over long distances by trilateration to replace traverse requiring survey station intervisibility. In 1965 the command field survey unit personnel attached to the Army Survey Regiment’s Topographic Squadron were used mainly in support roles such as station clearing, tower operations, station monumenting, Aerodist computations, forward base operations, geodetic observations on the north-south traverse and logistic support for Remote teams. .1P is a photo of a civilian Bell 47G-2 helicopter Registration / Serial VH-UTB owned by Helicopter Utilities from Mascot, NSW c1965. In the background of this photograph is three personnel and vehicles at a field survey camp. The left-hand vehicle is a Willys Jeep with trailer and on the right is probably a Truck, 2 1/2 ton, 6x6, General Service GMC. The Bell 47G-2: VH-UTB was destroyed, and its pilot killed in tragic circumstances during a civilian survey operation on Cape York Peninsula in June 1966. .2P is a photo of a a civilian Bell 47G-2 helicopter Registration / Serial VH-IHB taken in Wyndham, WA. As the letters ‘TAA’ appear on the fuselage, the helicopter was charted from Trans Australian Airways. .3P is a photo of a Bell 47G-2: VH-UTC with survey camp in background. .4P is a photo of a Bell 47G-2 equipped with floats and unidentified personnel loading stores, possibly in Darwin. Acknowledgement: Royal Australian Survey Corps – Aerodist Years 1964-1975 Version 2021.0 Authored by Peter Jensen.This is a set of four photographs of civilian Bell 47G-2 helicopters used in Royal Australian Survey Corps Field Operations. c1965. The photographs were printed on photographic paper and are part of the Army Survey Regiment’s Collection. The photographs were scanned at 300 dpi. .1) - Photo, black & white, c1965, Bell 47G-2 helicopter: VH-UTB with survey camp in background. .2) - Photo, black & white, c1965, Bell 47G-2 helicopter: VH-IHB with survey station in foreground. .3) - Photo, black & white, c1965, Bell 47G-2 helicopter: VH-UTC with survey camp in background. .4) - Photo, black & white, c1965, Bell 47G-2 helicopter: Unidentified personnel loading stores possibly in Darwin..2P – annotated on bottom of photo ‘Wyndham Area – Helicopter drops observing party’ The other photographs are not annotated.royal australian survey corps, rasvy, army survey regiment, army svy regt, fortuna, asr, surveying

The Bugle was played by the British over 2000 times to warn of impending air raids in the Middle East. When a new electronic siren was installed Bill Nicholls souvenired it and carried it in his haversack until he reached home. William Bona Nicholls No VX36468 2/24 Batt 9th Div. enlisted on 12.8.40, embarked 16.11.1940 for the Middle East, promoted L/Cpl 8.5.1941, served in the Seige of Tobruk, El Alamein and Middle East Campaigns. He was taken POW at Derna and escaped after 8 hours. Embarked for Australia 1.2.1943 and disembarked Melbourne 25.2.1943. Embarked for New Guinea 1.8.1943, hospital 5.12.1943 with Degue Fever, rejoin unit 9.12.1943, served in the Lae and Finschafen campaigns. Promoted Sgt 11.2.1944, embark for Australia from Finschafen 28.2.1944 and disembark Brisbane 7.3.1944. Evacuated to hospital 16.3.1945, appears to be Anxiety State. Discharged from the Army 3.9.1945 with the rank of S/Sgt.Copper & brass army bugle with nozzle & holding chain.Main section of bugle has: a lettered crest, & Besson & Co, London, 1940musical instruments - wind, military history, bugle, tobruk

Maroon buckram hard cover book, originally gold embossed label, 144 pages. Illustrated with pictures, electronic data, valve layout, component data, metric data, signal codes. Handwritten inside cover: “5 R I M U”books-military/reference, engineers, radio

Item relates to George William Alfred MARRIOTT RAAF. Refer Cat No 3117 for his service history.Air Publication No 3023 1st Edn 1943. Brown cardboard soft cover booklet, black printing, 80 pages. Loosely bound by a boot lace through three holes. Numerous circuits, electronic circuits & wave forms on how radios workHandwritten written top of front cover: “F/Lt Marriott 07” Handwritten signature bottom right.books reference/military/eduction, radio

A black and white photograph of two unidentified students working on electronic and mechanical calculators in the Mathematics Department at Bendigo Teachers' College. Their lecturer is noted as being Mr. K. Coles.bendigo, education, bendigo teachers' college students, la trobe university bendigo collection, collection, bendigo teachers' college, bendigo teachers' college students, bendigo, education, mr. k. coles, mathematics, electronic calculator, mechanic calculator, calculator, bendigo teachers' college mathematics department, teacher training, tertiary education, photo, photograph, photographs, photography

The logarithmic slide rule is a compact device for rapidly performing calculations with limited accuracy. The slide rule remained an essential tool in science and engineering and was widely used in business and industry until it was superseded by the portable electronic calculator late in the 20th century. Slide rule in a green case. On the back a small plaque: "Q.C. Binks-BSM 1939-1941. Q.C. Binks-BSM 1939-1941engineering, slide rule, logarithmic slide rule

Document, W D Mason Collection, Advertising pamphlet, featuring an Electronic combination edging/bevelling machine, for the workable glass thickness and size limitation of edgework of glass.business, retail, w d mason

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

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

Notes titled Electronic Water Purification. Includes the price of four different size units. Mentions how the unit can be set up and how it can be operated. Also mentioned is the new development in water purification. Signed Stuart Brumley Corporation.sciences, instruments - general, scalebuoy, bill ashman collection - correspondence, electronic water purification

Newspaper article titled 'Radio in the New World' by R. K. Gerrand from the Melbourne, The Herald. Piece has been torn from the paper and the only date is Saturday, Dec. Sub-heading is: What developments can we expect in radio after the war? Items covered are: X-rays, Outback radio telephones, travel telephones, Portable trans-ceivers, Automatic weather reporting stations, Frequency modulations, Television, Electronic microscope, radio location, Battle of Britain, Battle of Australia, navigation and Pasteurisation,sciences, instruments - general, scalebuoy, bill ashman collection - correspondence, the herald melbourne, r k gerrand, radio in the new world, f w clarke, electronic industries ltd, radio corporation, x-rays, outback radio telephones, travel telephones, portable trans-ceivers, automatic weather reporting statins, frequency modulations, television, electronic microscope, radio location, battle of britain, battle of australia, navigation, pasteurisation