Post office Department, Hupp Auto Railway Service, 1912. [USA. A catcher pouch was grabbed by the catcher mechanism in the passing train. This technique, known as 'mail on the fly', was used between the 1870s and the 1930s].

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Size: 9271px × 6461px
Photo credit: © Heritage Images / Alamy / Afripics
License: Licensed
Model Released: No

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