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  • Left Powerhouse Control Room
  • Control rooms--Washington (State)--Grand Coulee Dam
  • Control room in the left powerhouse, showing arrangement for indirect lightning along the wall and a ventilator in the ceiling. At the left, the benchboard for the control of the 108,000-kw. units is being installed, and at the right, control...
  • Frank A. Banks Collection
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  • Control Room Bench Board
  • Control rooms--Washington (State)--Grand Coulee Dam
  • Bench board in the control room of the left powerhouse, for the control of the station-service generating units and the drum gates. The right hand panel carries remote-control equipment for the drum gates in the spillway of the dam.
  • Frank A. Banks Collection
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  • Lake Elevation Instrument
  • Control rooms--Washington (State)--Grand Coulee Dam; Gages--Washington (State)--Grand Coulee Dam
  • Lake elevation indicating instrument, located on the drum gate control cubicle, in the Control Room. The reservoir was filling rapidly when the picture was taken (May 28th at about 3:00pm).
  • Frank A. Banks Collection
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  • Control Room in Operation
  • Control rooms--Washington (State)--Grand Coulee Dam; Employees--Washington (State)--Grand Coulee Dam
  • From the control room desk at the left, power plant operators have telephone connections with all parts of the dam and powerhouse, and long distance outlets through the local Bell telephone system, also facilities for communicating with other power...
  • Frank A. Banks Collection
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  • Control Panel Gallery
  • Control rooms--Washington (State)--Grand Coulee Dam; Employees--Washington (State)--Grand Coulee Dam
  • Control panels for L-2 generator in the governor gallery, at El. 951. The board at the left controls the generator and auxiliary equipment. The cabinet at the right contains the turbine governor and its controls.
  • Frank A. Banks Collection
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  • Generator Control Cubical
  • Control rooms--Washington (State)--Grand Coulee Dam
  • This is the generator control cubicle of the unit-control station for the No. 1, 75,000-kilowatt Shasta unit in pit L-7. It is situated in the governor gallery at elevation 951. The station will start the turbine, indicate the loads and...
  • Frank A. Banks Collection
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  • Mimic Board of Generator Connections
  • Control rooms--Washington (State)--Grand Coulee Dam; Diagrams
  • This mimic board in the main control room shows the interconnections of generators, transformers, power circuits, associated switch yard equipment, and the outgoing transmission lines, as arranged on December 14, 1942, except that Spokane lines...
  • Frank A. Banks Collection
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  • Master Clock
  • Control rooms--Washington (State)--Grand Coulee Dam; Time clocks--Washington (State)--Grand Coulee Dam
  • The time standard for the regulation of generator speed is a master clock in the control room of the left powerhouse. The block is driven by energy from a storage battery. A feeble pulsating electric current, generated by a 60-cycle tuning fork,...
  • Frank A. Banks Collection
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  • Portion of Generator Unit-Control in Governor Gallery
  • Control rooms--Washington (State)--Grand Coulee Dam
  • This is a portion of the generator unit-control station being constructed in the governor gallery of the left powerhouse, at elevation 951, for the No. 1, 75,000-kilowatt Shasta generating unit in the pit L-7. The station will start the turbine,...
  • Frank A. Banks Collection
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  • Frank A. Banks and A.F. Darland Observe Operation of L-3 Generator
  • Control rooms--Washington (State)--Grand Coulee Dam; Employees--Washington (State)--Columbia River Basin Project (U.S.); Hydroelectric power
  • Construction Engineer A. F. Darland and Supervising Engineer F.A. Banks watching operation of main unit generator L-3, as load of 105,000 kilowatts is reached.
  • Frank A. Banks Collection
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  • Testing Rotating Standard Watt-hour Meters
  • Electrical apparatus; Employees--Washington (State)--Grand Coulee Dam; Control rooms--Washington (State)--Grand Coulee Dam
  • Test set-up for calibrating the rotating standard watt-hour meters (right foreground) from the laboratory standard meter, which is being read by Test Engineer, F. R. Schleif. This is part of the test procedure for indirectly checking the generator...
  • Frank A. Banks Collection

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