510 



CENTKAL SCIENTIFIC CO., CHICAGO, IT. S. A. 



No. 14150. 



No. 14156. 



No. 14164. 



14130. TJRINOMETER, Squibb's, for the determination of the specific gravity of urine. Length, 5 inches. 

 Graduated from 1.000 to 1.060. Guaranteed accurate for temperatures of 77 F. In case, with 

 fluted cylinder and directions, without thermometer $0.90 



14132. TJRINOMETER, Squibb's. Same as No. 14130, but with thermometer in float body, with scale of 



corrections for temperature 4.50 



14133. CYLINDER only of Nos. 14130 and 14132 35 



14136. TJRINOMETER, small size, for testing 1 fluid-ounce or 30 cc samples. With specific gravity 



scale 1.005 to 1.035 in 0.001 graduations, with spines on body to prevent clinging to sides of jar. 



Complete with test jar graduated in % ounce and 5 ce divisions with lip 1.80 



14138. TJRINOMETER, small size, same as No. 14136 with separate thermometer showing corrections 



for temperature 3.00 



URINE SEDIMENT GLASSES, see Test Glasses. 



14150. VACUUM BOTTLES, for keeping hot liquids hot and cold liquids cold, with re-enforced vacuum 



chamber. Supplied with large size drinking cup, securely fastened to the case, preventing leak- 

 age of the contents through loosening the eork. Finished in red japan, with nickeled top and 

 base. 



No A B 



Capacity pint quart 



Each 1-V5 2.75 



14151. GLASS BOTTLES only for No. 14150, for replacement. 



No A B 



Each 1-25 2.00 



VACUUM PUMPS, see Pumps, Air. 



VACUUM TUBES, Dewar's, double walled, for liquid air experiments. 



No A B C D 



Length, outside, cm 10 20 30 35 



Diameter, outside, cm 4.5 5.5 6.5 



14154. TUBES, Silvered 4.00 5.40 11.00 19.50 



14156. TUBES, Unsilvered 3.30 4.50 10.00 18.00 



VALENCE BLOCKS, see Models. 



VAPOR DENSITY APPARATUS 



14164. VAPOR DENSITY APPARATUS, Dumas, complete with kettle and bulb support, but without 



thermometer or bulbs 15.00 



856. DUMAS BULBS for No. 14164, capacity about 200 cc each .35 



