General view of workers testing the features of new hydraulic systems at the Naval Air Material Center's Aeronautical Materials Laboratory. Two workers are seen turning valves on the machinery while a third worker looks on.
|Creator of work
|Public Domain Mark 1.0
Naval Air Material Center, and United States. Navy. “Testing of New Developments in Hydraulic Systems,” 1958. Photographs from the Papers of J. Hartley Bowen, Box 1. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/p2676v56g.
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