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template is Document
[Engineering Department projects [RM files], 1942-1945]
template is Document
[Remote control mechanism (Case 51-1) and pilot control system for aircraft (Case 50-2)," 1940-1941]
template is Document
["Directional radio system (Case 17-2)" -- patent application [RM files], 1940]
template is Document
["Quad corrector (Lear-Lorch)," 1940 December - 1941 January]
template is Document
[Radio apparatus chassis (Case 74-1), 1939 December - 1942 October]
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1st Annual Lear-Avia Inc. Grand Rapids Branch Picnic
template is Document
[Performance and technical data for assorted products [RM files], 1938-1944]
template is Document
[Direction finders -- patent copies and diagrams [L-I-2/RM files], 1926-1941]
template is Document
[Product "pitch" letters and price lists, 1940 September - 1941 May]
template is Document
["Expandable ring clutch (WPL)" [L-D-123], 1943-1944 July]
template is Document
["Leartron control system" [L-D-101], 1943 February - 1944 February]
template is Document
["Radio direction finding system (Case 20-1)" -- patent application [RM files], 1940-1943]