US Patent: 1,434,101
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Automatic Drill and Wire Gauge
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Patentee:
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Edmund Curran (exact or similar names) - Boston, MA |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Apr. 06, 1920 |
Granted: |
Oct. 31, 1922 |
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Ralph Brendler
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Description: |
This is a dial indicator designed for measuring the diameter of circular objects. It is provided with a special scale allowing it to read standard wire and drill gauges. |
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