US Patent: RE5,222
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| Improvement in boring-machines
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Patentee:
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| Niram R. Merchant (exact or similar names) - Guilford, NY |
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Patent Dates:
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| Granted: |
Jan. 07, 1873 |
| Reissue Information: |
| Reissue of 32,449 (May 28, 1861) |
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Jeff Joslin Vintage Machinery entry for Guilford Iron Works
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Description: |
| The inventor had died in 1863. "The object of this invention is to obtain a simple and efficient machine for simultaneously boring two holes at different distances apart for dowels, designed chiefly for the use of coopers for boring the pieces of cask-heads which are connected by dowels." |
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