1464 



ELEVATING AND DEPRESSING SPRINGS. 



C. 0. dABDINEE & W. 0. DOWNEY. 

 CaltiTator. 



No. 237.740. 



PfitentBd Fflb. 15. 1881. 









I • UtWs. 



S B. EAET. 

 Smln Drill. 



S siieeti~.Bh««t I 



No. 238.683. 



Patented March 8, 1881. 



rigJ- 





Sttrty ^JSmrt, 



&tt^ 



3 GJISDM— atiaat 3 



Patented March 8, 188t. 







S3- 



) aneaci— Sbstt i. 



S B BiRT. 

 GraiD Drill. 



No. 238.683. 



Patented Marcli 8. 1881. 



Tiy.*. 





I|J-/e|JT°1- 



C any 



HEUOTYPE PRINTING CO BOSTON. 



