Caption: "Battery of National Acme automatics used for manufacturing Mark V French detonators at the H. Mueller Manufacturing Co. Ltd., plant in Sarnia, Canada, during World War One. Photograph taken on October 18, 1918 by an official military photographer. Image number: 56234. Official use only."

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Size: 8565px × 5795px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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