US Patent: 468,519 
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| Micrometer Gage
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	        Patentee:
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 | Robert B. Haines, Jr. (exact or similar names) - Coatesville, PA |  
 
 
 
 
 
 
 
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        Patent Dates:
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| Applied: | 
Oct. 27, 1891 | 
 
| Granted: | 
Feb. 09, 1892 | 
 
 
 
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		  Patent Pictures:
	      
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                        Joel Havens 
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        Description: |  
| The object of my invention is to so construct a micrometer-gage that material for instance, hot plates in a rolling-mill can be measured without the measurer coming close to the plates.
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