A Method for Computing Leading-Edge Loads
A 1933 technical report from the NASA Technical Reports Server, catalogued as a method for computing leading-edge loads on aircraft wings, with no named illustrator and aimed at engineers and aeronautical researchers. Its two photographs show full-scale wing structures in a plain documentary style: one is a close view of a wing's ribbed interior framework with braced struts and perforated plates, the other shows fabric-covered wing panels with cloth draped over ribs in an outdoor field setting with a tall mast and distant buildings, offering a designer raw industrial texture, rigid geometric rhythm, and aged mechanical detail.

