| US Patent: 21,379 
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| Machine for cutting irregular forms | 
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| Patentee: |  |
 | Henry D. Stover (exact or similar names) - Boston, MA |  
 
 
 
 
 
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| Patent Dates: |  
| Granted: | Aug. 31, 1858 |  
 
USPTO (New site tip)| Patent Pictures:
	      
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                        Jeff Joslin
 Vintage Machinery entry for Stover Machine Co.
 
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| Description: |  | This patent shows an early double spindle shaper. The spindles rotated in opposite directions. Furthermore, both spindles could be tilted. An illustrated article describing this machine appeared in the December 17, 1859 issue of "Scientific American"; see the "Vintage Machinery" link on this page and then click on the "Images" tab of the resulting page. |  |