US Patent: 5,615X
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| Mathematical Ruler, for Cutting Garments
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Patentee:
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| Otis Madison (exact or similar names) - Troy, Rensselaer County, NY |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Aug. 18, 1829 |
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Joel Havens
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Description: |
| Most of the patents prior to 1836 were lost in the Dec. 1836 fire. Only about 2,000 of the almost 10,000 documents were recovered. Little is known about this patent. There are no patent drawings available. This patent is in the database for reference only.
“For an improvement in the mode of Cutting Garments; Otis Madison, Troy, New York, August 18.
A flat ruler, something like a Gunter's scale, is to be divided in a way designated in the specification and drawing, furnished by the patentee. The measurements taken are to be marked down upon a piece of slate, or slate paper, let into, or otherwise attached to the Mathematical Ruler. The claim is to the mode of arranging the divisions, or measures, and the attaching the slate, or slate paper, to the ruler.
It is acknowledged by all the amateurs in the art of Cutting Garments, that the scales, which within a few years have come into general use, have introduced a degree of system and certainty into that business which were previously unknown. There are a number of patented instruments, invented by different professors of the art; we are compelled, however, to tread lightly upon the ground which they have occupied, or we should soon manifest our want of skill; our learning not enabling us to explore it with advantage to others, or safety to ourselves.”
Journal of the Franklin Institute Vol. 8, Nov. 1829 pgs. 334-335
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