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



3144 HYDROMETER, Specific Gravity, 1.000 to 2.000 . . . 



3146 HYDROMETER, Specific Gravity, 1.000 to 1.500. . . 



3148 HYDROMETER, Specific Gravity, 1.500 to 2.000. 



3150 HYDROMETER, Specific Gravity, 1.000 to 1.200. 



3152 HYDROMETER, Specific Gravity, 1.200 to 1.400. 



3154 HYDROMETER, Specific Gravity, 1.400 to 1.600. 



3156 HYDROMETER, Specific Gravity, 1.600 to 1.800. 



3158 HYDROMETER, Specific Gravity 1.800 to 2.000. 



Each 

 " $1.25 



Any of the above specific gravity hydrometers can be sup- 

 piled to order, with thermometers. 



Any of the above hydrometers can be supplied with the 

 corresponding Beaume scale for $0.50 extra. 



TWADDLE'S SCALE 



3160 HYDROMETER, Twaddle's, No. 1, to 24 ... . 



3162 HYDROMETER, Twaddle's, No. 2, 24 to 48. .. 



3164 HYDROMETER, Twaddle's, No. 3, 48 to 72. 



3166 HYDROMETER, Twaddle's, No. 4, 72 to 96 .... 



3168 HYDROMETER, Twaddle's, No. 5, 96 to 120. 



3170 HYDROMETER, Twaddle's, No. 6, 120 to 144. 



Each 

 $1.25 



MISCELLANEOUS HYDROMETERS 



3172 HYDROMETER, Acid, to 70 Beaume 1 



3174 HYDROMETER, Acid, to 100 Beaume.. . ! ?. a j;j} 



I <pl.<69 



3176 HYDROMETER, Alcohol, with ;>roof and Tralle's scales 1 



3178 HYDROMETER, Alcohol, with proof and Tralle's scales and thermometer. $3.00 



3180 HYDROMETER, Alkali, to 50 Beaume 1.25 



3182 HYDROMETER, Ammonia, 10 to 50 Beaume in 1/5 1.25 



3184 HYDROMETER, Bark, 1.000 to 1.070, specific gravity 3.00 



3186 HYDROMETER, Bark, 1.000 to 1.070, with thermometer 3.00 



3188 HYDROMETER, Battery, Beaume scale 1.25 



3190 HYDROMETER, Battery, flat bulb, short, for storage batteries 1.50 



ffi 



AMCO 



3192 



3192 HYDROMETER, Battery. Combined syringe and hydrometer. The most 

 convenient appliance for testing and equalizing the 

 solution in storage batteries 3.00 



3194 HYDROMETER, Beer, Balling's standard .- 5.00 



3196 HYDROMETER, Coal Oil, 10 to 90 Beaume 1.25 



3198 HYDROMETER, Coal Oil, with thermometer 10 to 90 Beaume 3.50 



3199 HYDROMETER, Coal Oil, Standard, adopted by U. S. Petrol Assn., with 



thermometer 3.50 



3200 HYDROMETER, Gasoline, 10 to 90 Beaume 1.50 



3202 HYDROMETER, Gasoline, Patented Pocket Gasoline Gauge, consisting of 

 a Beaume hydrometer held m a glass cylinder by means 

 of a wire guard frame, which prevents the hydrometer 

 from falling out and from striking the bottom of the 

 cylinder, net 



3204 HYDROMETER, Glycerine, 20 to 30 Beaume in 1/10 

 3206 HYDROMETER, Lye, to 50 Beaume 



