ELEVATING AND DEPRESSING SPRINGS. 



1473 



a. MABTIH. 



OBLTITATOI. 



V Ibgfta— Bbact I 



PatentBil Mar. 7,18 



.)544>2' 







; Bk«Btl— Bb«Bt 2 



Pateated Mar. 7. 1BB2. 



•r^^^£^?^fe 



W B, TODNG 



BHLKT PLOW. 



Patented Mar. 28, 18 



L LOPPEN. 



onLTIVATOS. 



Patented Apr. 4.1882, 





HELlorvpE PRINTING CO BOSTON 



