| US Patent: 11,596 
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| Spirit Level Inclinometer
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| Patentee: |  |
 | Lebbius Brooks (exact or similar names) - Great Falls, NH |  
 
 
 
 
 
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| Patent Dates: |  
| Granted: | Aug. 29, 1854 |  USPTO (New site tip)
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                        Ralph Brendler
 
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| Description: |  | This is a simple inclinometer design for use by carpenters and masons to ascertain the slope of a surface. 
This level is shown in very early Stanley price lists, as the "Brooks Patent Universal Level". |  |