US Patent: 519,541
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Micrometer Gage
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Patentee:
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Henry McBride (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: |
Jan. 07, 1893 |
Granted: |
May 08, 1894 |
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Joel Havens "Vintage Machinery" entry for Lavigne Automatic Mfg. Co.
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Description: |
Earle & Semour - patent attorneys
Joseph P. Lavigne owned the Lavigne Micrometer Co. of New Haven, CT.
My invention relates to an improvement in micrometer gages, the object being to produce a simple, durable, accurate and convenient instrument for inside measurements. With these ends in view, my invention consists in the combination with a graduated, internally threaded, hollow beam of a measuring sleeve fitting over the same, a measuring screw connected with the outer end of the said sleeve, and taking into the open end of the beam, a chuck located at the outer end of the sleeve, and a removable measuring-piece inserted into the said chuck in line with the beam, sleeve, and screw. My invention further consists in certain details of construction and combinations of parts as will be hereinafter described, and pointed out in the claims.
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