DITCHING. 



32rj 



L. W. riSHER. 

 Ditching-Machines. 



No. 133,97't 



Paltmid 0(c. 17. 1872. 



h'tf.:. 



Of It}. 



D. W. TRAVIS. 



Ditching- Machines. 



No 146.725 P.lcnl.d Jan. 20. 1871. 



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Wiafon: 





^ttomfp. 



^J'^M. 





H. G. RICHARDS. 

 Ditching and Tile-Laying Machines. 



No. 149 337, Pinnted *prll 7,1874. 



FlG..« 



I. A CLARK. 

 Ditching-Machines. 



No. 150, 529. 



Palented May 5. 1874 



Fig.J. 



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Weaves se^.' 



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