£et it-tkm forget

Ά Uojwle/o... not &ouft&v

New Photovolt Heavy-Duty Portable pH Meter

Set ct-tftm finqei it! Ready for use wherever you take it Q Nd readjustment of controls 0 Absolutely no drift Q Complète solid statecircuitry Q One small battery; guaranteed; for a full year Q Completely sealed QVVàterproo^ • With • rugged electrodes.1;.

SPECIFICATIONS 0-Î4 pH on ÀW scale readable ίο 0.0Ϊ, linearity better than 1$C '![-S-^y Temperature compensation 0°4 00^ ;β. ; Single translator radio battery : : :u guaranteed a full yeafj Waterprooféâstàluteîniïriifeasé. ΐ " : 1" χ.10"*3%"-7 |os; ;'.,.':%:":•

PHOTOVOLT with anile probe; electrode; ;J 1115 BROADWAY, JIIW WRK, H.Y, 18010

Circle No. 144 on Readers' Service Card

22 A

·

ANALYTICAL CHEMISTRY