Information from Joe Baugher's website,
MSN 3501. Model 10 Electra modified as a research vehicle for pressurized cabin and high-altitude operations. First flight May 7, 1937. Delivered to Wright Field Aug 1937. Assigned to NACA Langley Memorial Aeronautical Laboratory, Virginia Oct 2, 1940 to Feb 5, 1943. Donated to National Air and Space Museum in 1948. Reported preserved at Udvar-Hazy Center of National Air and Space Museum, Chantilly, Virginia
Aeroplane Photo Supply No. 2042
