Portable Wagon Loading Machine
This portable wagon is a loading machine that brings together a swinging table arranged to be lowered flat on the ground. Horses can pass over it with ease, holding a lower hopper onto which the table dumps its load, and a conveyer which elevates to receive the contents of the conveyer.
Government Printing Office The Official Gazette of the United States Patent Office (Washington, DC: Government Printing Office, 1895)
Courtesy the private collection of Roy Winkelman