PLOW COUPLINGS 



SAMUEL CROSSLEY. 



Impronment in Cultivators. 



No. 124,724. '■iinKl Mirck l«, 1672. 





SAMUEL ROCKAFELLOW. 

 Improvemenl in Wheel-Cultivators. 



Wl> 126,092. P.l.i,l,d Ap.il !3. 1872; 



GEORGE FAWCETT. 

 Improvement in Cultivators, 



No. 126.276. ril>r,l,d«>rll30,l872. 







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