US Patent: 479,518 
 | 
| Leveling Instrument
 | 
| 
	        Patentee:
		   |  
|
 | Charles H. Lockwood (exact or similar names) - Rochester, NY |  
 
 
 
 
 
 
 
 | 
| 
        Patent Dates:
         |  
| Applied: | 
Dec. 12, 1891 | 
 
| Granted: | 
Jul. 26, 1892 | 
 
 
 
| 
		  Patent Pictures:
	      
	        [
			1 | 2 | 3 | 4 | 5 | 6
	        ]
	       |  
 |  
 |  
 
USPTO (New site tip) Google Patents 
			Report data errors or omissions to steward 
                        Russ Allen 
 | 
| 
        Description: |  
| Example found, though only marked "Patent Applied For". See the pictures. |  
  |