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Thursday, May 17, 2012
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Intellectual Property, Commerce, & Technology
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User Guide Series: Homer and Jean Blair Collection of United States Patent Models
Profiling Machines
16. 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.
<< Patent Model User Guide
<< Homer Blair Bio
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