Conservation. Glass gauges replacing steel. A steel plug gauge, since ...
Public domain photograph of Pennsylvania in 1930s, free to use, no copyright restrictions image - Picryl description
Conservation. Glass gauges replacing steel. Inspecting a gear with a ...
Public domain photograph of Pennsylvania in 1930s, free to use, no copyright restrictions image - Picryl description
Conservation. Glass gauges replacing steel. A steel plug gauge, since ...
Actual size of negative is C (approximately 4 x 5 inches). Title and other information from caption card. Transfer; United States. Office of War Information. Overseas Picture Division. Washington Division; 1944... More
Conservation. Glass gauges replacing steel. A steel plug gauge is comp...
Public domain photograph of Pennsylvania in 1930s, free to use, no copyright restrictions image - Picryl description
Conservation. Glass gauges replacing steel. A steel plug gauge is comp...
Actual size of negative is C (approximately 4 x 5 inches). Title and other information from caption card. Transfer; United States. Office of War Information. Overseas Picture Division. Washington Division; 1944... More
Conservation. Glass gauges replacing steel. Inspecting a gear with a s...
Actual size of negative is C (approximately 4 x 5 inches). Title and other information from caption card. Transfer; United States. Office of War Information. Overseas Picture Division. Washington Division; 1944... More