| US Patent: 82,257 
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| Improvement in sawing machines | 
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| Patentee: |  |
 | Hiram Thompson (exact or similar names) - Worcester, MA |  
 
 
 
 
 
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| Patent Dates: |  
| Granted: | Sep. 15, 1868 |  USPTO (New site tip)
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                        Jeff Joslin
 Vintage Machinery entry for R. Ball & Co.
 
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| Description: |  | The saw is a double-arbor tablesaw, similar to Wardwell's patent 16,814. The innovation here is a means of supporting both ends of the saw-arbors, plus a means of holding the driving-shaft integrally with the frame of the saw rather than via a separate floor-mounted frame. |  |