176 



A. DAIGGER & COMPANY, CHICAGO, U. S. A. 



2944 



2945 



2944 GAS PIPETTE, Hempel's, simple absorption, for solid reagents, mounted. .$3.50 



2945 GAS PIPETTE, Hempel's, compound absorption, for solid reagents, 



mounted . 5.00 



2946 



2947 



2946 GAS PIPETTE, Hempel's, sulphuric acid, with glass, mounted 5.00 



2947 GAS PIPETTE, Hempel's, for explosion, simple, with stopcock and plat- 



inum electrodes, mounted 5.75 



2949 



2949 GAS PIPETTE, Hempel's, explosion, new form, with leveling bulb 7.50 



2950 GAS PIPETTE, Hempel's, for hydrogen, simple, mounted 5.00 



