| US Patent: 126,527 
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| Improvement in Try Squares | 
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| Patentees: |  
 | Henry Disston (exact or similar names) - Philadelphia, PA |  | Joab Morss (exact or similar names) - Philadelphia, PA |  
 
 
 
 
 
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| Patent Dates: |  
| Granted: | May 07, 1872 |  
 
USPTO (New site tip)| Patent Pictures:
	      
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                        Russ Allen.
 "Vintage Machinery" entry for Henry Disston & Sons
 
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| Description: |  | Try square that is a compromise between all metal and all wood handled try squares.  Blade and metal stock are securely attached and the wood handle is recessed to accept a dovetailed rib on the stock. |  |