US Patent: 411,537
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| Calipers or Dividers
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Patentee:
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| Laroy S. Starrett (exact or similar names) - Athol, MA |
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Patent Dates:
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| Applied: |
May 04, 1889 |
| Granted: |
Sep. 24, 1889 |
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Joel Havens
"Vintage Machinery" entry for L. S. Starrett Co.
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Description: |
| Auxillary nut with the ajusting spring acting directly on the nut instead of the brace and is used to lock the dividers in position after the fine adjustments are made. Second feature is a stud on the other arm that the brace goes through with a locking thumb nut.
Applied on the Starrett model 235. |
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