US Patent: 559,820
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| Micrometer Gage
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Patentee:
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| John T. Slocomb (exact or similar names) - Providence, RI |
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Patent Dates:
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| Applied: |
Nov. 19, 1894 |
| Granted: |
May 12, 1896 |
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Russ Allen.
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Description: |
| Four features: improvement in adjusting for wear by using a two piece adjustable nut with internal threads and teeth on one face to engage the teeth on the other; improvement in adjusting wear to the anvils; a scale that allow both decimal and fractional readings; "I" frame cross section.
Known example is marked with the Mfg name and patent number. |
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