[Unidentified piece of machinery]

Photograph of an unidentified piece of machinery on wheels, circa 1918-1919. A Salmson 2 A2 aircraft (tail number S.A.L. 2, No. 341) is visible in the background.

Part of a photograph album documenting the World War I service of Herman J. Sommerhauser, circa 1918-1919.

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