Secondary or Storage Batteries 



I'oR I'Ai'.ii: \\( )()|)-<:asi-: cell 



^-ifi 



Most (lesiral)le — in fact almost 

 indisjiciisahljo — in IaJ)orato.rie.s 

 wbere a consfaiif e. m. i. and 

 /•onsi(l.er:i])l(.' <'nrrt'ntare wanted 



Our l^nlk'tin 91 j descrilies 

 the .ty])es of the ])e.st form of 

 storage batten', the "Chloride 

 Aeruniulator," 



Mailed on rcijnest. 



i'wo-pi.Ari': cKi. 



:2a ninicli StiMM't, 



('amld'id^c, Miiss. 



SIAWitAKD Cl.ASS-IAk CELL. 



Internationa! Instrument Co. 



