Photo gallery — Railroads
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Inside a Railway Post Office, pre-1912
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Crane and catcher arm, ca. 1910s
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Railway mail clerk, 1913
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Railway mail clerk, 1916
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Burglar-proof rail cars, 1921
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Loading mail, ca. 1924
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Marines guarding mail car, 1926
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Railway mail clerks, ca. 1929
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Target practice, ca. 1929
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Loading mail, 1937
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Mail waiting to be loaded, ca. 1930s
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Railway mail clerk, ca. 1940s
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Railway Post Office, 1940
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Loading mail, 1940
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Inside a Railway Post Office, 1945
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Wreck of the Red Arrow, 1947
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Loading mail, ca. 1950s
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Railway mail clerks, ca. 1960s
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Penn Central mail car, ca. 1970