US Patent: 77,606 
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| Improvement in sawing-machines
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	        Patentee:
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 | Jonathan P. Grosvenor (exact or similar names) - Lowell, MA |  
 
 
 
 
 
 
 
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        Patent Dates:
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| Granted: | 
May 05, 1868 | 
 
 
 
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		  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. |  
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