Drawing, Technical

Special D7 High Sill Mounting for Detroit Rock Salt Mine

One drawing entitled, "Special D7 High Sill Mounting for Detroit Rock Salt Mine," which was designed for a dump truck. The pencil drawing on vellum paper shows a profile view of the dump truck, with D7 hoist, hopper, and hinge. The title block in the lower right corner shows that the drawing was prepared as a proposal by "Gar Wood Industries, Inc., Hoist & Body Division, Detroit, Michigan" at a scale of 1/8 inch = 1 foot and is dated October 1, 1937. The plan number is shown as "B-D7-6965."