| US Patent: 77,606 
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| Improvement in sawing-machines | 
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| Patentee: |  |
 | Jonathan P. Grosvenor (exact or similar names) - Lowell, MA |  
 
 
 
 
 
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| Patent Dates: |  
| Granted: | May 05, 1868 |  
 
USPTO (New site tip)| Patent Pictures:
	      
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                        Jeff Joslin
 Vintage Machinery entry for J. P. Grosvenor.
 
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| Description: |  | This appears to be the first commercially-available tilting-arbor tablesaw, as evidenced by ads in Scientific American and Manufacturer & Builder. See also patent 96,224.The innovations are a sliding journal-box for the saw-arbor, which moves to adjust the depth of cut; and a miter gauge that flips up into position, or down out of the way. |  |