In 1927 the Airways Division issued the following Specification For Airway Flood Lights: General Description - Each floodlight unit shall consist of a drum type housing mounted on a rigid pedestal, this drum to be fitted with a 14" or 16" commercial precision parabolic glass mirror, mogul screw socket, a spread light lens, and suitable provision for mounting a color screen.
File
AirwaysDivision_Fall_2008.pdf
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