| US Patent: 125,123 
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| Improvement in mortising-machines | 
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| Patentee: |  |
 | Edwin Dayton (exact or similar names) - Meriden, CT |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Granted: | Apr. 02, 1872 |  USPTO (New site tip)
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                        Jeff Joslin
 
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| Description: |  | "My invention relates to a device for making a prismatic or many-sided hole in any material; and it consists of a shaft, upon which is fixed one or more toothed wheels which engage with other toothed wheels attached to rotary cutters, made to revolve in a direction at right angles to the plane of revolution of the gear upon said shaft." |  |