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- Circus Poster, Inman Brothers Flying Circus: "Airplane Rides Featuring the Boeing Clipper," circa 1930 - In the late nineteenth century, printers developed a lithograph method that produced brightly colored posters. In advance of a circus coming to town, general agents glued these eye-catching generic posters to building walls, fences, and in window displays. To announce when and where the performances would happen, local printers sometimes provided letterpress paper date strips to paste onto the posters' lower margin.
- circa 1930
- Collections - Artifact
Circus Poster, Inman Brothers Flying Circus: "Airplane Rides Featuring the Boeing Clipper," circa 1930
In the late nineteenth century, printers developed a lithograph method that produced brightly colored posters. In advance of a circus coming to town, general agents glued these eye-catching generic posters to building walls, fences, and in window displays. To announce when and where the performances would happen, local printers sometimes provided letterpress paper date strips to paste onto the posters' lower margin.
- Air Mail Service Boeing 40 Airplane Heading East over the Rocky Mountains, 1928 - Passenger accommodations were sparse on a Boeing 40, but the airplane primarily was designed to carry mail. Early in its production, the airplane's original water-cooled Liberty V-12 engine was replaced with an air-cooled Pratt & Whitney radial engine. The air-cooled motor eliminated the need -- and excess weight -- of a radiator and water, increasing the airplane's payload and profitability.
- 1928
- Collections - Artifact
Air Mail Service Boeing 40 Airplane Heading East over the Rocky Mountains, 1928
Passenger accommodations were sparse on a Boeing 40, but the airplane primarily was designed to carry mail. Early in its production, the airplane's original water-cooled Liberty V-12 engine was replaced with an air-cooled Pratt & Whitney radial engine. The air-cooled motor eliminated the need -- and excess weight -- of a radiator and water, increasing the airplane's payload and profitability.