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Photograph

Robert Bowles Oil Company

Date: 11 15 1937
Description: A man stands near the opened door of the corrugated shed of the Robert Bowles Oil Company. The company used an International Model 300 power unit to power ...
Photograph

Power Unit at Oil Well

Date: 11 10 1937
Description: Two men work at an oil well site powered by an International Model P-30 power unit mounted on a truck.
Photograph

Power Units on Drilling Rig

Date: 1937
Description: Two men wearing white hats stand near a drilling rig on which two International PA-50 power units are compounded. The machine on the right has a sign readi...

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