| US Patent: 159,882 
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| Improvement in spirit levels | 
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| Patentee: |  |
 | Edwin L. Barnes (exact or similar names) - Boston, MA |  
 
 
 
 
 
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| Patent Dates: |  
| Applied: | Aug. 03, 1874 |  
| Granted: | Feb. 16, 1875 |  
 
USPTO (New site tip)| Patent Pictures:
	      
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                        Russ Allen
 
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| Description: |  | Patrick Leach had one of these on a tool list of his. He said it is stamped with the wrong patent date of September 20, 1874, a date on which no patents were issued. |  |