The engine room at the War Work Experiment Station of the United States Bureau of Mines in San Francisco, California. The photograph was taken in November 1918 and shows the area under the general direction of Chester Naramore, a petroleum technologist for the Bureau.

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Size: 8448px × 5862px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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