US Patent: 441,685 
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| Caliper Adjustment
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	        Patentee:
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 | Arthur Munch (exact or similar names) - Milwaukee, WI |  
 
 
 
 
 
| Manufacturer: |  
| Not known to have been produced |  
 
 
 
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        Patent Dates:
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| Applied: | 
Aug. 21, 1890 | 
 
| Granted: | 
Dec. 02, 1890 | 
 
 
 
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                        Ralph Brendler 
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| 
        Description: |  
| Another fine-adjustment design for a caliper.  This one uses a combination of adjustment screws to allow for both micro-adjustment and release/reset to accomodate measuring of inside diameters. |  
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