MOLD-BOARDS. 



471 



F. R. BELL. 

 PUw. 



A. HALL. 

 PLOW. 



No 163.352 



Pilantnd Mjj IB, IB?^. 



No. 171,477. 



PatODted Dee. 28. 1S7B. 



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Jj. 174.423. 



I. E. KKIOET. 

 PLOW. 



Patented Xtrcli 7. 1876 



F. It. SILL. 

 PLOW. 



Do 178.998. 



Patented Jqne 20. 1S76. 



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