In-Flight View of the Wing Struts (1927)

A first-person perspective looking out the side window of the Spirit of St. Louis at the wing struts and the city of San Diego far below. — In-Flight View of the Wing Struts (1927) · Donald A. Hall Estate Collection

Taken from inside the Spirit of St. Louis during a flight over San Diego, this 1927 photograph documents the aircraft's custom wing strut configuration. Chief Engineer Donald A. Hall Sr. rigorously documented the structural performance and visibility of his designs while in the air.