US Patent: 1,799,739
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Precision measuring device
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Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Nov. 13, 1926 |
Granted: |
Apr. 07, 1931 |
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Description: |
"The principal object of the present invention is the provision of a novel mechanism for accurately determining the correctness of the guide ways on the bed of a milling machine, grinding machine or like machine tool." |
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