US Patent: 324,804
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| Micrometer Caliper
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Patentee:
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| Merrick M. Barnes (exact or similar names) - Boston, MA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Oct. 13, 1884 |
| Granted: |
Aug. 25, 1885 |
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Patent Pictures:
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1 | 2
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Joel Havens
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Description: |
| My present invention relates to micrometer calipers substantially of the character represented in previous Letters Patent of mine, Nos. 271,401 and 280,339; and it has for its object to provide a micrometer caliper or gage of improved construction and capacity of adjustment. In the drawings, Figure 1 represents in elevation and partial section an application of my invention to a micrometer caliper having a fixed arm, and Fig. 3 represents an application of it to a micrometer caliper having a movable arm. Figs. 2 and 4 represent the construction and mode of application of a device for setting the calipering apparatus at any desired point. |
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