US Patent: 377,868
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Calipers or Dividers
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Patentee:
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Joshua Stevens (exact or similar names) - Chicopee Falls, MA |
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Patent Dates:
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Applied: |
Sep. 09, 1887 |
Granted: |
Feb. 14, 1888 |
Patent Pictures:
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Ralph Brendler
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Description: |
This design features a caliper joint that is completely enclosed, and thus protected from picking up grit in use.
These were produced in both caliper and divider formats by the J. Stevens Company, and are marked with the patent date on the bow. |
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