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Lear, William P. (William Powell), 1902-1978, [Equipment invention diagrams by WPL, undated (circa 1939-1944)], [2000-06-20_container_042]. Museum of Flight Digital Collections, accessed 18/05/2026, https://digitalcollections.museumofflight.org/nodes/view/5329




![[Equipment invention diagrams by WPL, undated (circa 1939-1944)] [Equipment invention diagrams by WPL, undated (circa 1939-1944)]](/img/placeholder.gif?1778121553)