Profiling Machines, U. S. Patent, 150,253, April 28, 1874, Edward G. Parkhurst, Hartford, Connecticut.
This invention is a "profiling Machine" that can make an exact duplicate of a metal part, using an arrangement of spindles and cutting tools. The machine was manufactured and used.
The 12" x 12' x 12" model is well made of wood and metal. It is in excellent condition with two original patent office tags.