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

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

Technical Bulletin from A. K. Lever & Co. Pty. Ltd., manufacturers of 'Nulon' Nylon Bearings & Bushes. Headings include: General Characteristics, Co-efficients of friction for Nylon on steel, Chemical Resistance, Water Absorption, Condition of material, General, Lubrication, Load and Speed, Heat Conductivity - Wall thickness, Thermal Expansion, Fitting and Wear - Running in,sciences, bill ashman collection - correspondence, a k lever & co pty ltd, nulon nylon bearings & bushes technical bulletin, mcpherson's limited

Leaflet gives uses and characteristics of 'Nulon' Nylon Bushes. Manufactured by A. K. Lever & Co. On the back are a number of question and answers about the nylon bushings.sciences, bill ashman collection - correspondence, nulon bushes, mcpherson's limited, a k lever & co

"GOODBYE COBBER, / GOD BLESS YOU." "The Fatal charge of the Light Horse, Gallipoli, August 7th 1915."Soft cover book. Cover - cardboard. Gold, dark brown and light brown print on front, spine and back. Front cover - Illustrated sepia tones photographs of scenery and a group of Light Hors soldiers. 365 pages - cut, plain, off white paper. Illustrated black and white photographs and maps.books, military history, ww1, gallipoli peninsula

"The Lost/ Battlefield/ Of Kokoda/ The extraordinary story/ behind the discovery of a forgotten/ World War Two Battlefield."Soft cover book. Soft cover - cardboard, gold, white and dark green print on front, spine and back. Illustrated - green tones - photograph of jungle scene with 2 timber crosses in foreground. 269 Pages - paper, plain, cut, white, illustrated - colour photographs.books, history, ww2, kokoda

"The Crossroad - A story of life, death and the SAS"Hardcover book with dust cover Hardcover - cardboard, black buckram. White print on spine. Dustcover - paper, gold and white print on front and spine. Colour illustrations, front and back portrait photographs of author in uniform. 422 pages, cut, plain, off white paper. Illustrated colour photographs. First title page - handwritten inscription.First Title page = handwritten in black ink, "Merry Christmas/ To my Dad/ Thanks heaps/ heart shape (love) always/ Vicki xxx"book, autobiography, victoria cross

"The Commando/ The life and death of/ Cameron Baird, VC MG"Hardcover book with dust cover. Hardcover - cardboard, black buckram. Gold print on spine. Dustcover - paper, old and white print on front, spine and back. Dust cover - colour illustrations - front portrait photograph of Cameron Baird. Back - Top two small portrait photographs of Cameron Baird. Bottom - image of medals and ribbons. 341 pages - cut, plain, white paper, illustrated - colour photographs. End papers and flyleaf front and back - illustrated colour photographs of scenery in Afghanistan.Title page - handwritten in blue ink. "Al my love Christmas 2017"books, biography, victoria cross, australian army

Australians from every branch of our armed forces in WWII found themselves captives in Hitler's notorious prisoner of war camps.Cover - soft cardboard,black, cream & white print on front, spine & back. Background photo in black, white & red of soldiers in uniform sitting & standing. 523 pages, cut plain white paper. Illustrated with black & white photos & maps.books-military-history, pow's, reich