Description
10 photographs of a Caterpillar tractor moving dirt, with several showing inside the engine and pistons, probably in Los Angeles County, California, 1937 June 7. "Client: Union Oil; Classifications: I. Miscel[laneous] - tractor moving dirt for the quarry; Operator's report - name: Joe; out of city 15 miles; Amount: 45-" - on envelope.
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Metrics Over Time
Publication Details
DOI
Publisher
University of Southern California Digital Library (USC.DL)
Subfield
Building and Construction
Field
Engineering
Domain
Physical Sciences
Confidence Score
31%
Source
Scholar Data Model
Keywords
Unknown