Photograph - Melbourne Electric Supply Co; Excavation Work for 2;000kW Willans-Siemens Turbo-Alternator Set; Richmond; Victoria; Jan 1911; Part of a large photographic collection of glass plate and film negatives; photographic prints and photo albums; relating to the development of the electric power supply industry in Victoria; operated by the State Electricity Commission of Victoria (SECV) from 1919 to 1993 and various predecessor private and municipal power supply enterprises dating back to the late 1880s.