PHILADELPHIA 
Rubber Cubing, Stoppers, Corks, etc. 
2742. Rabbei" Tubingf, vulcanized, white, 12 feet length. 
Size, inch bore ^ |. | ^ 
Per foot $0.05 .07 .10 .18 .20 
In quantities, per pound 1.75 
2744. Rubber Tubingf, black, pure gum. 
Size, inch bore J i\ } | J 
Per foot $0.07 .11 .14 .20 .30 
In quantities, per pound 3.50 
2746. Rubber Tubmgf, extra heavy, for filter pumps. 
J inch bore. Per foot .' 18 
2748. Finest Rubber Tubmgf, cloth-wrapped, hand-made, the very 
best tubing for general laboratory use, will not stiffen or crack, 
excellent for incubator connections, etc. 
Inch bore ........ ^ J I ^ 
Per foot $0.06 .08 .12 .15 .18 .22 
2750. Tubing:, red rubber. 
Inch i A i 
Per foot $0.06 .10 .12 
2752. Cork Stoppers, best quality, short. 
Length 13 13 13 16 16 19 25 25 
Diam. at Top ... 10 12 14 16 18 22 24 26 
Price, per dozen . $0.04 .06 .07 .08 .11 .15 .20 .25 
Per gross 40 .52 .60 .72 1.08 1.36 1.96 2.40 
2754. Cork Stoppers, best quality, long. 
Length 15 18 
Diameter .... 10 11 
Dozen $0.05 .05 
Gross 50 .50 
2756. Cork Stoppers, best quality, long. 
Length .... 26 30 34 34 34 38 38 38 
Diameter ... 24 26 28 30 32 42 47 50 
Dozen .... $0.20 .25 .27 .30 .33 .55 .98 1.15 
Gross .... 2.00 2.50 2.70 2.95 3.30 5.20 7.7511.25 
2758. Rubber Stoppers, solid or perforated, best soft rubber. Per 
pound $2 20 
Diameter at Top t I | 
Each $0.16 .10 .08 .05 
2760. Glass Tubing:, best German glass, soft. State inside diameter 
when ordering. Per pound 50 
2762. Glass Rod. State diameter when ordering. Per pound . . . 50 
109 
20 
20 
22 
22 
24 
12 
14 
16 
18 
22 
.06 
.07 
.08 
.10 
.18 
.55 
.65 
.75 
.95 
1.70 
