1472 



ELEVATING AND DEPRESSING SPRINGS. 



J K, WO&THINGTON 



8DLKT PLOW, 



No. 253,807 Patented Feb, 14.1882. 







W. H WILDE, 

 WHEEL PLOW. 



Patented Feb. 28. 1862. 



S^6^i^i=s^ 



/^ Oh /jM *^/^ 



No, 264.557 



i BhBOtl— Bbee 



W. A. KNOWLTON. 



OULTIVATOE. 



Patented Mar. 7.18 



a.o. -ritJvU. 



1 Bheala-alNat : 



W. A, KNOWLTON. 

 OULTITATOK. 

 No, 264.567, Patented Mar. 7.16 



>y*f. 



HEMi.i'. -._ |>h(NT{Ka CO. EOSTON 



