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The building of this Exposition was a task of great magnitude accomplished in record time. Contractors used electric motors to cut costs and speed up the work. Concrete, paint and plaster mixers, cement guns, hoists, drills, saws, pumps, iron-working machinery, etc., were operated direct from central station wires.
Mazda and Luminous Arc Lamps turned night into day for rush work in the Exposition grounds.
Source of Power
A pre-convention exhibit, in which the Pacific Gas & Electric Company assisted, enabled contractors and exhibitors to select their electrical equipment.
Hydro-electric power transmitted many miles to San Francisco was augmented by a 53,500 kilowatt steam turbine power plant. This source of power was supplied to the Exposition circuits through a special sub-station within the grounds.