US Patent: 1,952,653 
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| Grinding Machine
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	        Patentee:
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 | Francis P. Brown (exact or similar names) - Providence, Providence County, RI |  
 
 
 
 
 
 
 
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        Patent Dates:
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| Applied: | 
Apr. 07, 1927 | 
 
| Granted: | 
Mar. 27, 1934 | 
 
 
 
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                        Joel Havens Vintage Machinery entry for Brown & Sharpe Mfg. Co. 
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        Description: |  
| Mechanism for reciprocating the axial travel of a grinding wheel so as to provide a slight pause at each change of direction. This short pause allows an even grind up to a shoulder. A throw-out mechanism is provided to stop the reciprocating movement. |  
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