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- The Aviation Country Club of Detroit Trophy Race at the National Air Races, St. Louis, Missouri, October 6, 1923 - Air races provided pilots and manufacturers with an opportunity to test new technologies and show them off to enthusiastic audiences. From the 1920s through the 1940s, the annual National Air Races were the premier competition in the United States. The 1923 event took place in St. Louis, Missouri, where pilot Al Williams won with a speed of 243.67 mph.

- October 06, 1923
- Collections - Artifact
The Aviation Country Club of Detroit Trophy Race at the National Air Races, St. Louis, Missouri, October 6, 1923
Air races provided pilots and manufacturers with an opportunity to test new technologies and show them off to enthusiastic audiences. From the 1920s through the 1940s, the annual National Air Races were the premier competition in the United States. The 1923 event took place in St. Louis, Missouri, where pilot Al Williams won with a speed of 243.67 mph.
- General Mason Patrick Congratulates Lieutenant Erik Nelson, Winner of the Detroit News Air Mail Trophy Race, October 1922 - Air races provided pilots and manufacturers with an opportunity to test new technologies and show them off to enthusiastic audiences. The annual National Air Races were the premier competition in the United States from the 1920s through the 1940s. Publisher Ralph Pulitzer sponsored the event's top prize. Russell Maughan won the 1922 contest held near Mount Clemens, Michigan.

- October 01, 1922
- Collections - Artifact
General Mason Patrick Congratulates Lieutenant Erik Nelson, Winner of the Detroit News Air Mail Trophy Race, October 1922
Air races provided pilots and manufacturers with an opportunity to test new technologies and show them off to enthusiastic audiences. The annual National Air Races were the premier competition in the United States from the 1920s through the 1940s. Publisher Ralph Pulitzer sponsored the event's top prize. Russell Maughan won the 1922 contest held near Mount Clemens, Michigan.
- Lieutenant Russell L. Maughan in a Navy Aircraft, Rounding the Pylon, Pulitzer Air Race, October 14, 1922 - Air races provided pilots and manufacturers with an opportunity to test new technologies and show them off to enthusiastic audiences. The annual National Air Races were the premier competition in the United States from the 1920s through the 1940s. Publisher Ralph Pulitzer sponsored the event's top prize. Russell Maughan won the 1922 contest held near Mount Clemens, Michigan.

- October 14, 1922
- Collections - Artifact
Lieutenant Russell L. Maughan in a Navy Aircraft, Rounding the Pylon, Pulitzer Air Race, October 14, 1922
Air races provided pilots and manufacturers with an opportunity to test new technologies and show them off to enthusiastic audiences. The annual National Air Races were the premier competition in the United States from the 1920s through the 1940s. Publisher Ralph Pulitzer sponsored the event's top prize. Russell Maughan won the 1922 contest held near Mount Clemens, Michigan.
- Crowds at the Sesqui-Centennial Air Races, Philadelphia, Pennsylvania, September 1926 - Air races provided pilots and manufacturers with an opportunity to test new technologies and show them off to enthusiastic audiences. From the 1920s through the 1940s, the annual National Air Races were the premier competition in the United States. The 1926 event took place in Philadelphia, Pennsylvania, to commemorate the 150th anniversary of the Declaration of Independence.

- 04 September 1926-11 September 1926
- Collections - Artifact
Crowds at the Sesqui-Centennial Air Races, Philadelphia, Pennsylvania, September 1926
Air races provided pilots and manufacturers with an opportunity to test new technologies and show them off to enthusiastic audiences. From the 1920s through the 1940s, the annual National Air Races were the premier competition in the United States. The 1926 event took place in Philadelphia, Pennsylvania, to commemorate the 150th anniversary of the Declaration of Independence.
- Aerial View of Cincinnati, Ohio, circa 1923 - Military aerial reconnaissance during World War I accelerated the evolution of domestic aerial photography after the war. During the 1920s, aerial images like this one taken over Cincinnati by the U.S. Army Air Service helped document population shifts and environmental changes. They also informed urban planning, agricultural practices, and engineering projects.

- circa 1923
- Collections - Artifact
Aerial View of Cincinnati, Ohio, circa 1923
Military aerial reconnaissance during World War I accelerated the evolution of domestic aerial photography after the war. During the 1920s, aerial images like this one taken over Cincinnati by the U.S. Army Air Service helped document population shifts and environmental changes. They also informed urban planning, agricultural practices, and engineering projects.
- Civil War Scrip, "United States Army, 5 Cents in Merchandise," 1861-1865 - Paper currency became necessary when metal coins became scarce during the Civil War. Hoarding of coins by U. S. citizens drove this scarcity and created a need for a paper version of small change. This privately issued five-cent note was redeemable in merchandise but only from George Davidson, a sutler -- a civilian supplier of goods to the army.

- 1861-1865
- Collections - Artifact
Civil War Scrip, "United States Army, 5 Cents in Merchandise," 1861-1865
Paper currency became necessary when metal coins became scarce during the Civil War. Hoarding of coins by U. S. citizens drove this scarcity and created a need for a paper version of small change. This privately issued five-cent note was redeemable in merchandise but only from George Davidson, a sutler -- a civilian supplier of goods to the army.
- Lieutenant Thomas Selfridge and Dr. Alexander Graham Bell, 1908 -

- 1910
- Collections - Artifact
Lieutenant Thomas Selfridge and Dr. Alexander Graham Bell, 1908
- Lieutenant Lester J. Maitland, 2nd Place Winner, Pulitzer Air Race, October 14, 1922 - Air races provided pilots and manufacturers with an opportunity to test new technologies and show them off to enthusiastic audiences. The annual National Air Races were the premier competition in the United States from the 1920s through the 1940s. Publisher Ralph Pulitzer sponsored the event's top prize. Russell Maughan won the 1922 contest held near Mount Clemens, Michigan.

- October 14, 1922
- Collections - Artifact
Lieutenant Lester J. Maitland, 2nd Place Winner, Pulitzer Air Race, October 14, 1922
Air races provided pilots and manufacturers with an opportunity to test new technologies and show them off to enthusiastic audiences. The annual National Air Races were the premier competition in the United States from the 1920s through the 1940s. Publisher Ralph Pulitzer sponsored the event's top prize. Russell Maughan won the 1922 contest held near Mount Clemens, Michigan.
- Drawing, "Seal," Ford GPW, April 8, 1943 - The Ford Motor Company created over a million parts drawings from 1903 to 1957. Many of these drawings specify engineering requirements for the components of Ford-made vehicles--including automobiles, trucks, tractors, military vehicles and Tri-motor airplanes. Others document assembly components, stages of casting and forging, or experimental designs. Beginning in the 1940s, Ford transferred the drawings to microfilm.

- April 08, 1943
- Collections - Artifact
Drawing, "Seal," Ford GPW, April 8, 1943
The Ford Motor Company created over a million parts drawings from 1903 to 1957. Many of these drawings specify engineering requirements for the components of Ford-made vehicles--including automobiles, trucks, tractors, military vehicles and Tri-motor airplanes. Others document assembly components, stages of casting and forging, or experimental designs. Beginning in the 1940s, Ford transferred the drawings to microfilm.
- "The Last of the German Invaders Leaving Luxembourg...," 1918 -

- 1918
- Collections - Artifact
"The Last of the German Invaders Leaving Luxembourg...," 1918