"War work and the Bureau of Mines during World War I. The Bureau of Mines offered its facilities and laboratories to the Ordnance, War Department. This led to the establishment of the Central Control Laboratory, overseen by Dr. K. K. Steven. Photograph taken in November 1918. Photographer: SURECT 56692. Source: Bureau of Mines."

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Size: 8494px × 5824px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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