Electrical workers working on the Kiewa Hydro Electric Scheme used equipment advertised in this book.The Kiewa Hydro Electric Scheme was built from the late 1940s by the State Electricity Commission of VictoriaSmall red, aqua and white cardboard covered book held together by 2 staples with 112 pages. It includes black and white photos of equipment.Trade Price List / Effective 1st May, 1963kiewa hydro electric scheme. secv. nilsen. switchboard.electricity.