Civilian defense. This overhead switch controls the output of a 110-volt direct current generator, operating at 10 kilowatts to supply power to provide power for the two searchlights on the roof of the huge Emergency Service truck. There are also several auxilliary lights runs out from the truck and powered by this generator. This truck in New York City is the only one of its kind, so far
Summary
Public domain photograph of New York City, free to use, no copyright restrictions image - Picryl description
Tags
Date
01/01/1941
Contributors
Hollem, Howard R., photographer
Palmer, Alfred T., photographer
United States. Office for Emergency Management.
Location
Source
Library of Congress
Copyright info
Public Domain