Photograph of three men conducting tests on the Learjet 23 prototype, March 16, 1964.Inscription on verso: "Flight test instruction for ground test / T-76-3A / 3-16-64."
Photograph of the test fuselage of the Learjet 23 prototype undergoing structure testing at a Lear facility, March 17, 1964.Inscription: "T76-1B / 3-17-64."Inscription on verso: "Structure testing."
Photograph of the test fuselage of the Learjet 23 prototype at a Lear facility, February 29, 1964.Inscription on verso: "Overall shot of test fuselage / 2-29-64."
Photographic slide of men and women using drill presses in a machine shop at a Lear, Incorporated facility, Grand Rapids, Michigan, September 1954. A small chalkboard in the scene reads: "Drill presses / Machine shop."Inscription on slide: "Lear.…
Photographic slide of women working on a gyro assembly line at a Lear, Incorporated facility, Grand Rapids, Michigan, September 1954. A small chalkboard in the scene reads: "Gyro assembly."Inscription on slide: "Lear. Grand Rapids. 9-54."
Photographic slide of women working on a gyro assembly line at a Lear, Incorporated facility, Grand Rapids, Michigan, September 1954. A small chalkboard in the scene reads: "Gyro assembly."Inscription on slide: "Lear. Grand Rapids. 9-54."
Photograph of the assembly line at a Lear Avia facility, Vandalia, Ohio, circa 1940. Male and female employees work on device components at long work tables.Inscription: "Lear Avia Vandalia factory. 1940."Inscription on verso: "Assembly. Handwriting…
Photograph of the assembly line at a Lear Avia facility, Vandalia, Ohio, circa 1940. Male and female employees work on device components at long work tables.Inscription on verso: "Assembly."
Photograph of the assembly line at a Lear Avia facility, Vandalia, Ohio, circa 1940. Male and female employees work on device components at long work tables.Inscription: "Lear Avia assbly [assembly] line -- 1940. Vandalia."Inscription on verso: "View…
Photograph of the production line at the Lear Avia facility in Piqua, Ohio, circa 1943. Employees, predominantly women, work on device components at long work tables.Inscription on verso: "1943 -- Piqua. [illegible] Dept. View of production…