US Patent: 700,156
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| Draftsman's Scale
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Patentee:
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| Robert J. Simpson (exact or similar names) - Athol, MA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Apr. 05, 1900 |
| Granted: |
May 13, 1902 |
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Joel Havens
"Vintage Machinery" entry for L. S. Starrett Co.
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Description: |
| A. H. Spencer - patent attorney
at an angle to the horizon and permit it to be tipped from side to side and to bring either edge of either side to rest upon the paper. These studs are located at the ends of the scale, preferably just beyond the graduated portion of the instrument, and the ends of said studs are rounded or tapered, so as to tilt readily without indentation of the paper. The object of this invention is to provide for the use of mechanical draftsmen a tilting graduated straight-edge or scale so constructed that either edge of each face may rest closely down to the surface of the paper, bringing the lines indicating longitudinal measurements into immediate proximity to the surface of the paper and holding the scale at a desired inclination with one edge elevated. The characteristic peculiarity of my improved scale consists in providing it with studs located in the line of its transverse center and projecting from each side of the scale body, so as to hold such body
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