Identifier2000-06-20_image_215SourceThe William P. and Moya Olsen Lear Papers (2000-06-20), Box 48, Folder 11DescriptionPhotographic slide of a man testing screw jacks at a Lear, Incorporated facility, Grand Rapids, Michigan, September 1954. A small chalkboard in the scene reads: "Screwjack testing."
[Man testing screw jacks], [2000-06-20_image_215]. Museum of Flight Digital Collections, accessed 10/12/2025, https://digitalcollections.museumofflight.org/nodes/view/4902
