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

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

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

This pack is made from materials available at the time and was used to carry supplies & equipment for bushwalking and/or skiing. it is designed to protect the contents in all weather and to be as comfortable and practical as possible.The Bogong High Plains was a popular destination for bushwalking and cross country skiing. This backpack is an example of the equipment used for extended walks and/or cross country skiing.Orange backpack with nylon front and canvas back. The back flap has cord threaded along the sides for adjusting the shape of the pack. It has 6 pockets with zips - 2 each side and 2 across the back. There is 1 pocket with a velcro fastening on the outside of the flap. The cord enables the closing of the top. The frame is aluminium with 2 nearly straight sides and continuing across the top. There are 3 separate aluminium rods that are joined across and 1 piece of canvas.backpack; bush walking; bogong high plains; cross country skiing

Envelope with ephemera (Merle Bush?). a. envelope - with crossed-out addressee/address: Miss M Shrimpton, 291 Union Rd, Balwyn E8; b. black arm-band 7 cm wide - nylon?; c. Hand-torn card - flowers on front, 1947, monthly calendar in centre, inscription (handwritten) on back:'With all good wishes from Margaret Moore'; d. 4 cigarette cards - England, historic and picturesque.person, individual, bush collection - personal, bush collection, collection, ephemera