ELEVATING AND DEPRESSING SPRINGS. 



1489 



0. W, BEOWS. 



COBK FLANTEH. 



No. 278,498. Patented Maj 29, 1883. 



D, nNTKABK 



CUf.llVATOB 



Patenlt-ii Hay 29. 1883. 



F.ig.-i. 



1 Shf«u-3hfn -• 

 D DNTHANK 



OPLTIVATOR, 



Patented Ma? 29, 1883. 



W'-riJcs&ts. 



X[J\/tfJTO[^: 



(Ho ModtL) 



: sucttt— Sbeei I 



C. W. POST 



ODLTITITOR, 



No. 279.980. __ Patented June 26, 1683. 



Zrt^rftfetr . 





Hm.IOT\PE r-KtWTnJG CO.. B0S1X)N 



