US Patent: 515,236
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| Micrometer Surface Gage
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Patentee:
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| Joseph P. Lavigne (exact or similar names) - New Haven, New Haven County, CT |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Feb. 20, 1893 |
| Granted: |
Feb. 20, 1894 |
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Joel Havens
"Vintage Machinery" entry for Lavigne Automatic Mfg. Co.
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Description: |
| Joseph P. Lavigne owned the Lavigne Micrometer Co. of New Haven, CT. My invention relates to an improvement in micrometer surface-gages, the object being to produce a simple, convenient and accurate instrument for measuring depth and height, and adapted also to perform the work of what is called "scratch-gage". |
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