UNITED STATES PNEUMATIC DISAPPEARING CARRIAGE. Showing the gun fully elevated. from the Article DISAPPEARING GUN CARRIAGES IN THE UNITED STATES. By G. H. Powell. from The Engineering Magazine Devoted to Industrial Progress Volume XIX 1900 The Engineering Magazine Co

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Size: 3673px × 2752px
Location: USA
Photo credit: © Historic Illustrations / Alamy / Afripics
License: Licensed
Model Released: No

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