US Patent: 468,519
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Micrometer Gage
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Patentee:
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Robert B. Haines, Jr. (exact or similar names) - Coatesville, PA |
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Patent Dates:
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Applied: |
Oct. 27, 1891 |
Granted: |
Feb. 09, 1892 |
Patent Pictures:
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Joel Havens
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Description: |
The object of my invention is to so construct a micrometer-gage that material for instance, hot plates in a rolling-mill can be measured without the measurer coming close to the plates.
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