| US Patent: 166,887 
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| Improvement in sawing-machines | 
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| Patentee: |  |
 | Albert T. Nichols (exact or similar names) - Williamsport, PA |  
 
 
 
 
 
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| Patent Dates: |  
| Applied: | Jun. 08, 1875 |  
| Granted: | Aug. 17, 1875 |  
 
| Reissue Information: |  | Reissued as RE7,871 (Sep. 04, 1877) |  USPTO (New site tip)
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                        Jeff Joslin
 Vintage Machinery entry for A. T. Nichols
 Vintage Machinery entry for Rowley & Hermance Co.
 
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| Description: |  | Invention is a belt-tensioning mechanism for a sliding-arbor tablesaw. |  |