Thomas Thurlow demonstrates a sextant

Thurlow told Weems that, "I preached the gospel of [the] Air Almanac and Star [Altitude] Curves and sold [the Air Corps] on both."

Caption:
Army Air Corps navigation engineer
Type: Photograph
Credit: National Archives and Records Administration
RG 342FH-4A17476
Navigators & Inventors
 
Army Air Corps navigation engineer