Airplanes - Inspection - Motors thorougly tested before installation. Every motor installed in a plane is throroughly tested by experts. International Film Service
Summary
Photographer: International Film Service
Airplanes - Inspection
Public domain photograph of aircraft engine, free to use, no copyright restrictions image - Picryl description
Tags
Date
1917 - 1918
Source
The U.S. National Archives
Copyright info
No known copyright restrictions