| US Patent: 270,925 
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| Apparatus for Cutting Stone | 
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| Patentees: |  
 | William Worby Beaumont (exact or similar names) - Camberwell, Surrey County,  England |  | James Welman (exact or similar names) - Poole, Dorset County,  England |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Jun. 14, 1882 |  
| Granted: | Jan. 23, 1883 |  USPTO (New site tip)
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                        Joel Havens
 
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| Description: |  | Patented in England, 16 Jun., 1881, 2,628. |  |