Airplanes - Engines - Manufacturing Curtiss Ox-5 airplane engines at t...
Photographer: Willys-Morrow Plant Airplanes - Engines Public domain photograph of a steam engine, locomotive, free to use, no copyright restrictions image - Picryl description
Airplanes - Engines - Manufacture of 80 H. P. LE Rhone engine by Union...
Date Taken: 7/0/1918 Photographer: Union Switch and Signal Co. Airplanes - Engines
Airplanes - Engines - Manufacturing Curtiss Ox-5 airplane engines at t...
Photographer: Willys-Morrow Plant Airplanes - Engines Public domain photograph related to the United States in World War One, free to use, no copyright restrictions image - Picryl description
Airplanes - Engines - Manufacture of 80 H. P. LE Rhone engine by Union...
Date Taken: 7/0/1918 Photographer: Union Switch and Signal Co. Airplanes - Engines
Airplanes - Instruments - Tachometer Drive. Boring and tapping housing...
Photographer: Tillotson Mfg. Co., O. Airplanes - Instruments Public domain photograph related to the United States in World War One, free to use, no copyright restrictions image - Picryl description
Airplanes - Instruments - Tachometer Drive. Boring, facing and reaming...
Photographer: Tillotson Mfg. Co., O. Airplanes - Instruments Public domain photograph related to electric instruments, free to use, no copyright restrictions image - Picryl description
Airplanes - Engines - Aircraft testing field, Packard Motor Co., Detro...
Photographer: Packard Motor Co. Airplanes - Engines Public domain photograph of aircraft engine, free to use, no copyright restrictions image - Picryl description