US Patent: 1,531,357
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| Micrometer caliper
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Patentee:
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| Herbert E. Tautz (exact or similar names) - Milwaukee, WI |
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Patent Dates:
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| Applied: |
Mar. 07, 1924 |
| Granted: |
Mar. 31, 1925 |
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Jeff Joslin
Vintage Machinery entry for Delta Specialty/Delta Mfg. Co./Delta-Rockwell/Rockwell Intl.
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Description: |
| The inventor Tautz, who went on to found Delta Mfg. Co., is described as a citizen of Germany.The caliper is intended for measuring paper stock to within 0.001 inch. |
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