Group of paper pinned together of various experiments. Items include Tail light invention for Defence Dept. 18/9/41, Heat of glass, Refractive Index Tests on Melbourne Tap Water 31/7/42, Research Data, Manufacture of the Buoys 18/1/43, Specifications 1/12/42, List of substances with their Atomic No., Symbol, Atomic Weight, Melting Point and Year of discovery and a hand drawn diagram for an experiment. Bendigo Electronic Company of Australia Pty Ltdsciences, instruments - general, scalebuoy, bill ashman collection - correspondence, bendigo electronic company of australia pty ltd, defence dept, capt slattery, f a stevenson