US Patent: 1,433,640
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Measuring Instrument Traveller
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Patentee:
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Valère Morneau (exact or similar names) - Montreal, QC Canada |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Apr. 22, 1921 |
Granted: |
Oct. 31, 1922 |
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Ralph Brendler
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Description: |
This is a traveller that not only offers direct reading of feet, inches, and fractions, but also makes an audible noise at each revolution. |
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