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[Radial motor on test block]
Photograph of a radial motor and propeller mounted on a test block, Dayton, Ohio, 1915. Inscription on verso: "Dayton Ohio - 1915. Radial motor on test block."
[Workers assembling rotary-style aircraft engines]
Photograph of workers assembling rotary-style aircraft engines, France, circa 1918.Inscription on verso: "Rotary Dept. France. WWI."
[Workers assembling Renault 80HP aircraft engines]
Photograph of workers assembling Renault 80HP aircraft engines, France, circa 1918.Inscription on verso: "Renault Dept. France. WWI."
[Liberty L-12 aircraft engines in factory]
Photograph of Liberty L-12 aircraft engines in a factory, likely in France, circa 1918.Inscription on verso: "Liberty Dept."
[Fiat A.12 bis aviation motor]
Photograph from "Notes on the Caproni 600 night-bombing biplane," a technical report by S. E. Hutton, circa 1919. Uncaptioned photograph featuring a Fiat A.12 bis aviation motor.
[Fiat A.12 bis aviation motor]
Photograph from "Notes on the Caproni 600 night-bombing biplane," a technical report by S. E. Hutton, circa 1919. Uncaptioned photograph featuring a Fiat A.12 bis aviation motor.
[Airplane engine]
Photograph from "Notes on the Caproni 600 night-bombing biplane," a technical report by S. E. Hutton, circa 1919. Uncaptioned photograph featuring an airplane engine.
[Airplane engine]
Photograph from "Notes on the Caproni 600 night-bombing biplane," a technical report by S. E. Hutton, circa 1919. Uncaptioned photograph featuring an airplane engine.
[Airplane engine]
Photograph from "Notes on the Caproni 600 night-bombing biplane," a technical report by S. E. Hutton, circa 1919. Uncaptioned photograph featuring an airplane engine.
[Aircraft engine]
Photograph of an aircraft engine, circa 1918. Loose photograph from "Notes on the Caproni 600 biplane," a technical report by S. E. Hutton.