Tests motors by synthetic cold. C.D. Bruce, of the automotive power plant section of the Bureau of Standards, makes a test of airplane motors to show how much coldness they can stand due to high altitude. The testing pipes get as cold as 53 degrees below zero. 12/30/30
Summary
Public domain photograph, 1910s-1920s portrait, American, free to use, no copyright restrictions image - Picryl description
Tags
Date
01/01/1930
Contributors
Harris & Ewing, photographer
Location
Source
Library of Congress
Copyright info
No known restrictions on publication.