
Sikorsky Helicopter, 1944

by NASA/Science Source
Title
Sikorsky Helicopter, 1944
Artist
NASA/Science Source
Medium
Photograph - Photograph
Description
A technician at Langley Research Center sets up equipment for photographing the Sikorsky YR-4B/HNS-1 helicopter as it undergoes wind tunnel experiments. The Sikorsky Company built hundreds of these helicopters during World War II, making it the first mass-produced helicopter.
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March 13th, 2013
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