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- Handstamp for First Commercial Contract Air Mail, February 15, 1926 - When regularly scheduled air mail service began in 1918, the United States Post Office operated the various routes itself. These flights were intended to prove the safety and reliability of air service, and ultimately to encourage private contractors to take over the operations. Henry Ford was an early contract bidder and, in January 1926, he was awarded the Detroit-Chicago route.
- February 15, 1926
- Collections - Artifact
Handstamp for First Commercial Contract Air Mail, February 15, 1926
When regularly scheduled air mail service began in 1918, the United States Post Office operated the various routes itself. These flights were intended to prove the safety and reliability of air service, and ultimately to encourage private contractors to take over the operations. Henry Ford was an early contract bidder and, in January 1926, he was awarded the Detroit-Chicago route.
- Bates Numbering Machine, 1919-1925 - The Bates numbering machine helped organize and manage business paperwork. Office workers used it to stamp consecutive numbers or numbers in a repeated pattern onto pages of documents. The mechanism -- an improvement patented by Edwin G. Bates in 1891 -- automatically changed the number, making quick work for staff.
- 1919-1925
- Collections - Artifact
Bates Numbering Machine, 1919-1925
The Bates numbering machine helped organize and manage business paperwork. Office workers used it to stamp consecutive numbers or numbers in a repeated pattern onto pages of documents. The mechanism -- an improvement patented by Edwin G. Bates in 1891 -- automatically changed the number, making quick work for staff.