Text from original exhibit label: "Wong Tsoo [Tsu] graduated from MIT in 1916 as one of the first university-trained aeronautical engineers. Jerome Hunsaker had just started the program in 1914 with the help of a young graduate student named Donald Douglas. China National Aviation Corporation airmail envelope, 1937."Creation Datecirca 1937SubjectAir mail serviceChina National Aviation CorporationMartin (Glenn L.) Model 130 China ClipperOriginal Formatenvelopesfirst flight coversBibliographic CitationThe Boeing Story Exhibit Collection/The Museum of FlightRightsCopyright undetermined
China National Aviation Corporation, [First flight air mail cover for China Clipper], [2022-00-00-17_text_007]. Museum of Flight Digital Collections, accessed 06/12/2025, https://digitalcollections.museumofflight.org/nodes/view/23281