A National Institute of Health field unit engineer designs an exhaust system, factories and a steel mill are investigated and machine guards, gloves and goggles safeguard workers, in 1943.
Editorial
Stock Footage ID:
D378_53_734
License:
Royalty-free license
Collection:
Vintage
Clip length:
01:17
Contributor:
RetroFootage
Frame rate:
29.412 fps
Release:
Editorial
Original codec:
M-JPEG
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