| US Patent: 15,050 
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| Traction Wheel Steam Land-Propeller
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| Patentee: |  |
 | George W. N. Yost (exact or similar names) - Pittsburgh, Allegheny County, PA |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Granted: | Jun. 03, 1856 |  USPTO (New site tip)
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                        Joel Havens
 
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| Description: |  | Abstract:
My invention consists in a certain arrangement and combination of mechanic devices by which I am enabled to construct a practicable simple and a very cheap motive power for the purpose of drawing heavy loads on the common roads, plowing &c., also to have all the advantages of stationary motive power for threshing grain, &c., which I denominate the land propeller.
Claim:
The combination and arrangement of a rotary engine with the driving wheels of a land propeller by means of the described combination and arrangement of cogged gearing. |  |