US Patent: 717,534 
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| T and Angle Square
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	        Patentee:
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 | Jacob Brauchli (exact or similar names) - Hampton, VA |  
 
 
 
 
 
 
 
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        Patent Dates:
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| Applied: | 
Feb. 27, 1902 | 
 
| Granted: | 
Jan. 06, 1903 | 
 
 
 
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                        Russ Allen. 
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        Description: |  
| T square with the head having a series of holes to fix the beam as fixed angles.
Known example only marked with patent date on beam. |  
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