DITCHING. 



319 



8. N. OALDWELL. '^'^^'^ 



OEiDIKS ABD' DITOEISQ PLOW. 



No. 105.902. Patented Aug. 2, 1870. 



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No. 106,443. 



S. S. WOOD, 



Ditching Plow, 



Pfflented Aug. 16, 1870. 



MARTIN & BRADSHAW. 



DitchiQg Plow, 



No. 107,393. Patented Sept 13, 1870. 



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