GB Patent: GB-856,717
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| Drilling machines and the like
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Patentee:
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| Frederick Charles Raine (exact or similar names) - Droitwich, England |
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Patent Dates:
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| Applied: |
Oct. 10, 1958 |
| Granted: |
Dec. 21, 1960 |
Espacenet patent
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Jeff Joslin
"Vintage Machinery" entry for James Archdale & Co.
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Description: |
| "In the manufacture of condenser tube (i.e., vacuum tube) plates, flanges, and the like it is often required to form a plurality of holes or recesses in the work-piece at predetermined spacing and dispositions, and the object of the present invention is to provide means forming part of a machine, or for an attachment to a machine whereby these holes or recesses may be formed without the necessity for previously marking the position of the holes or recesses, and without the use of jigs or templates..." |
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