LABORATORY SUPPLIES AND CHEMICALS 



305 



u 



4120 



4122 



4120 

 4122 



4124 

 4126 



TUBES, Connecting, T shape, glass with two stopcocks $3.50 



TUBES, Connecting, Y shape, glass. 



Diameter, inches }/& 3$ J4 & -M$ l /2 



Each $0.15 .18 .20 .23 .25 .30 



TUBES, Connecting, Y shape, glass, to connect a large pipe with two smaller 



ones. Diameter, large end, inches } ^ 



Each $0.30 .40 



TUBES, Connecting, Y shape, of capillary glass tubing, heavy wall $0.35 



Tubes, Fermentation. See Urinalysis Apparatus. 



4128 



4130 



4132 



4128 TUBES, Fractional Distillation $0.35 



4130 TUBES, Fractional Distillation, one bulb 35 



4132 TUBES, Fractional Distillation, two bulbs 50 



4134 



4136 



4138 



4139 



4134 TUBES, Fractional Distillation, according to Lebel & Henninger. 



No. of bulbs 2 3' 4 5 



Each $300 2.25 2.50 3.00 



4136 TUBES, Fractional Distillation, according to Glinsky, with glass valves. .$3.00 



4138 TUBES, Fractional Distillation, according to Anderlirii 5.00 



4139 TUBES, Fractional Distillation, Walter-Hempel's, filled with glass beads. 



Length, ctm 30 40 



Each $2.50 3.00 



