Physical description

Book - 24 pages + grey covers, side stapled, issued by the Australian Commonwealth Engineering Standards Association, Tentative Australian Standard C.2 - 1925, "Electrical Performance of Traction Motors - Direct Current Series Wound". Dated Dec. 1925. Provides an index and information about enclosures, ratings, testing and information to be supplied.

Inscriptions & markings

On top right hand corner has stamp of the "The Electric Supply Co. of Victoria Ltd Ballarat" and date "17 April 1934".