The image shows a box of manifold connectors used with a type Dreyer aviator's oxygen mask. There are 50 connectors in one box, manufactured by the Julius King Optical Company. The photograph was taken on December 18, 1918, and is not for publication. The connectors were stored at the Frie Warehouse in Jersey City. They were ordered for the Chief Signal Officer of the American Expeditionary Force in France. The order number was X0-20501 Aero.

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Size: 8341px × 5620px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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