US Patent: 1,248,276
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| Machine-tool
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Patentee:
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| Frank J. Curtis (exact or similar names) - Ban Avon, PA |
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Patent Dates:
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| Applied: |
Oct. 16, 1916 |
| Granted: |
Nov. 27, 1917 |
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Jeff Joslin
Vintage Machinery entry for Pittsburgh Machine Tool Co.
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Description: |
| "Difficulties are encountered in removing small and fine pieces of metal formed in cutting, drilling or boring holes, grooves or recesses in metal articles, when the latter are secured in a horizontal or approximately horizontal position as on the bed of a boring machine, planer or drilling press, while being operated upon..." |
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