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- Ford Motor Company Report on Contract Air Mail Service Flights during November 1926 - After operating air mail flights itself for eight years, the U.S. Post Office Department contracted with commercial air carriers in 1926. The first two contract routes, connecting Detroit with Cleveland and Chicago, were awarded to Ford Air Transport, Ford Motor Company's airline subsidiary. Ford planes carried more than 32,000 pounds of mail before the contract ended in July 1928.

- November 01, 1926
- Collections - Artifact
Ford Motor Company Report on Contract Air Mail Service Flights during November 1926
After operating air mail flights itself for eight years, the U.S. Post Office Department contracted with commercial air carriers in 1926. The first two contract routes, connecting Detroit with Cleveland and Chicago, were awarded to Ford Air Transport, Ford Motor Company's airline subsidiary. Ford planes carried more than 32,000 pounds of mail before the contract ended in July 1928.
- Letter from Ford Motor Company Cleveland Branch Manager A.B. Pease regarding the First Commercial Air Mail Flight (CAM-6), February 1926 - After operating air mail flights itself for eight years, the U.S. Post Office Department contracted with commercial air carriers in 1926. The first two contract routes, connecting Detroit with Cleveland and Chicago, were awarded to Ford Air Transport, Ford Motor Company's airline subsidiary. Ford planes carried more than 32,000 pounds of mail before the contract ended in July 1928.

- February 15, 1925
- Collections - Artifact
Letter from Ford Motor Company Cleveland Branch Manager A.B. Pease regarding the First Commercial Air Mail Flight (CAM-6), February 1926
After operating air mail flights itself for eight years, the U.S. Post Office Department contracted with commercial air carriers in 1926. The first two contract routes, connecting Detroit with Cleveland and Chicago, were awarded to Ford Air Transport, Ford Motor Company's airline subsidiary. Ford planes carried more than 32,000 pounds of mail before the contract ended in July 1928.
- Letter from Detroit Postmaster Charles Kellogg Promotes the Use of Air Mail Notice Letterheads, March 1926 -

- March 01, 1926
- Collections - Artifact
Letter from Detroit Postmaster Charles Kellogg Promotes the Use of Air Mail Notice Letterheads, March 1926
- U.S. Department of Agriculture Daily Weather Map for November 17, 1927 -

- November 17, 1927
- Collections - Artifact
U.S. Department of Agriculture Daily Weather Map for November 17, 1927
- Status of Work on Aerial Navigation Strip Maps Being Published by the Army Air Service as of February 25, 1925 - Navigating in an early airplane -- without the benefit of sophisticated cockpit instruments or radio communication -- wasn't easy. The U.S. Army, in cooperation with the U.S. Post Office, established a network of flyways across the country. These routes were marked with lighted beacons, creating reliable paths that pilots could follow day and night.

- February 25, 1925
- Collections - Artifact
Status of Work on Aerial Navigation Strip Maps Being Published by the Army Air Service as of February 25, 1925
Navigating in an early airplane -- without the benefit of sophisticated cockpit instruments or radio communication -- wasn't easy. The U.S. Army, in cooperation with the U.S. Post Office, established a network of flyways across the country. These routes were marked with lighted beacons, creating reliable paths that pilots could follow day and night.
- Letter from W. B. Mayo to A. B. Pease regarding the First Contract Air Mail Flight (CAM-6), February 15, 1926 - After operating air mail flights itself for eight years, the U.S. Post Office Department contracted with commercial air carriers in 1926. The first two contract routes, connecting Detroit with Cleveland and Chicago, were awarded to Ford Air Transport, Ford Motor Company's airline subsidiary. Ford planes carried more than 32,000 pounds of mail before the contract ended in July 1928.

- February 15, 1926
- Collections - Artifact
Letter from W. B. Mayo to A. B. Pease regarding the First Contract Air Mail Flight (CAM-6), February 15, 1926
After operating air mail flights itself for eight years, the U.S. Post Office Department contracted with commercial air carriers in 1926. The first two contract routes, connecting Detroit with Cleveland and Chicago, were awarded to Ford Air Transport, Ford Motor Company's airline subsidiary. Ford planes carried more than 32,000 pounds of mail before the contract ended in July 1928.
- Mailing Envelope used on the First Contract Air Mail Flight (CAM-6) from Detroit to Cleveland, February 15, 1926 - After operating air mail flights itself for eight years, the U.S. Post Office Department contracted with commercial air carriers in 1926. The first two contract routes, connecting Detroit with Cleveland and Chicago, were awarded to Ford Air Transport, Ford Motor Company's airline subsidiary. Ford planes carried more than 32,000 pounds of mail before the contract ended in July 1928.

- February 15, 1926
- Collections - Artifact
Mailing Envelope used on the First Contract Air Mail Flight (CAM-6) from Detroit to Cleveland, February 15, 1926
After operating air mail flights itself for eight years, the U.S. Post Office Department contracted with commercial air carriers in 1926. The first two contract routes, connecting Detroit with Cleveland and Chicago, were awarded to Ford Air Transport, Ford Motor Company's airline subsidiary. Ford planes carried more than 32,000 pounds of mail before the contract ended in July 1928.
- U.S. Weather Bureau Sunrise and Sunset Timetables for Detroit, Michigan, 1926-1927 -

- 1926-1927
- Collections - Artifact
U.S. Weather Bureau Sunrise and Sunset Timetables for Detroit, Michigan, 1926-1927
- Plane Departures and Arrivals Form for First Contract Air Mail Flights (CAM-6), February 15-20, 1926 - After operating air mail flights itself for eight years, the U.S. Post Office Department contracted with commercial air carriers in 1926. The first two contract routes, connecting Detroit with Cleveland and Chicago, were awarded to Ford Air Transport, Ford Motor Company's airline subsidiary. Ford planes carried more than 32,000 pounds of mail before the contract ended in July 1928.

- 15 February 1926-20 February 1926
- Collections - Artifact
Plane Departures and Arrivals Form for First Contract Air Mail Flights (CAM-6), February 15-20, 1926
After operating air mail flights itself for eight years, the U.S. Post Office Department contracted with commercial air carriers in 1926. The first two contract routes, connecting Detroit with Cleveland and Chicago, were awarded to Ford Air Transport, Ford Motor Company's airline subsidiary. Ford planes carried more than 32,000 pounds of mail before the contract ended in July 1928.
- U.S. Department of Agriculture Daily Weather Map for November 15, 1927 -

- November 15, 1927
- Collections - Artifact
U.S. Department of Agriculture Daily Weather Map for November 15, 1927