US Patent: 81,425
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Improvement in Planes
Transitional Plane
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| Not known to have been produced |
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Patent Dates:
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| Granted: |
Aug. 25, 1868 |
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Patent Pictures:
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Jeff Joslin
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Description: |
| The whole top of the plane is iron, as contrasted to the typical transitional plane. There is a combination levercap/chipbreaker, although it is capable of using single or double irons.
Regarding the plane in the attached image, An EARLY PATENT TRANSITIONAL JOINTER PLANE by Smith & Carpenter, Lancaster, Pennsylvania. This example of the August 25, 1868 U.S. Patent issued to F. Smith and I. Carpenter, both of Lancaster, Pennsylvania, is in excellent collector quality condition. The top has a most interesting and unusual open casting. The other examples of this plane have had a cast iron lever cap of a form that differs from this plane and the cap may be a later replacement. (per Martin J. Donnelly) |
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