Physical description

.1 - Book - 12 pages + brown covers, side stapled, issued by the Australian Standards Association, "AC Electric Arc Welding Plant - Transformer type", C97-1942, July 1942.



.2 - Book - 40 pages + grey covers, side stapled, issued by the Australian Commonwealth Engineering Standards Association, Tentative Australian Standard B1 - "Brass water fittings - stop, bib, globe and ferrule or main taps", B1-1928, August 1928.



.3 - Book - 20 pages + grey covers, side stapled, issued by the Australian Commonwealth Engineering Standards Association, Tentative Australian Standard B4 - "Vegetable tanned leather belting", B4 - 1929, January 1929.



.4 - Book - 16 pages + grey covers, side stapled, issued by the Australian Commonwealth Engineering Standards Association, Tentative Australian Standard B3 - Rubber Conveyor and Power Transmission Belting", B3 - 1929, March 1929.



.5 - Book - 8 pages + green covers, side stapled, issued by the Australian Standards Association, "Maintenance of Portable Chemical Fire Extinguishers of the Acid-Alkali and Foam Types", CA 18-1941, May 1941.



.6 - Book - 16 pages + grey covers, side stapled, issued by the Australian Commonwealth Engineering Standards Association, Tentative Australian Standard B2 - "Copper Tubes", B2 - 1928, July 1928.



.7 - Book - 28 pages + grey covers, side stapled, issued by the Australian Commonwealth Engineering Standards Association, Australian Standard A2 - "Portland Cement", includes tests, A2-1926, December 1926.

Inscriptions & markings

On top right hand corner has the date stamp of the "The Electric Supply Co. of Victoria Ltd Ballarat"

.2 - 3 Sep 1928

.3 - 19 Jan 1929

.4 - 3 Apr 1929

.5 - SEC Stamp - ? 1941

.6 - 20 July 1928

.7 - 17 Apr 1934