Wooden Wing Framework (1927)

The intricate wooden rib framework of the Spirit of St. Louis wing under construction, resting on sawhorses in the factory. — Wooden Wing Framework (1927) · Donald A. Hall Estate Collection

Documenting the craftsmanship behind the legendary aircraft, this 1927 photograph highlights the intricate, hand-built wooden wing ribs of the Spirit of St. Louis. Donald A. Hall Sr.'s aerodynamic calculations relied entirely on the precision of these delicate wooden structures.