430 CENTRAL SCIENTIFIC CO., CHICAGO, U. S. A. 



RUBBER TUBING, ALL KINDS 



Special Notice. Bubber Tubing of the various kinds listed comes in original 12 foot lengths 

 from the manufacturer, and is sold only in lengths of 3 feet or multiples of 3. This enables 

 us to avoid the waste due to short pieces of unsalable lengths and permits us to sell the tubing 

 to our customers at a reasonable price, without the necessity of a charge to cover the loss. 



11580. RUBBER TUBING, White, light wall, cloth impression. This tubing is recommended for gen- 

 eral laboratory use where an inexpensive tubing is desired. 



Diameter inside, inches % %6 V* %e % % 



Thickness of wall, inches %4 %4 Vie He Via %4 



Per foot (see Special Notice) $0.05 .07 .10 .12 .14 .24 



11582. RUBBER TUBING, White, heavy wall, same quality as No. 11580. The % inch size is the standard 

 size and quality for Bunsen burner connections. 



Diameter inside, inches % 6 % % c % % 



Thickness of wall, inches %4 % 2 % 2 "/ M % 



Per foot (see Special Notice) 13 .17 .20 .26 .36 



11588. RUBBER TUBING, Red, Antimony, light -wall. Retains its elasticity longer than No. 11580 and 

 is preferred by many users for this reason. 



Diameter inside, inches % % 6 % %Q % % 



Thickness of wall, inches %4 %4 i/ 16 i/ 10 %4 % 2 



Per foot (see Special Notice) 06 .09 .12 .15 .21 .35 



11590. RUBBER TUBING, Red, Antimony, heavy wall, same quality as No. 11588. Preferred by many 

 users for Bunsen burner tubing in place of No. 11582. 



Diameter inside, inches %g *4 ^ % % 



Thickness of wall, inches % 4 % 2 % 2 %4 % 



Per foot (see Special Notice) 15 .22 .27 .36 .54 



11594. RUBBER TUBING, Black, pure gum, light wall, seamless. This tubing will not bloom ami in 

 especially suited for gas analysis work. 



Diameter inside, inches % %6 % 9ic % % 



Thickness of wall, inches %4 %j Ke Vie %4 %2 



Per foot (see Special Notice) 08 .10 .15 .17 .25 .42 



11596. RUBBER TUBING, Black, pure gum, heavy wall, same quality as No. 11594. 



Diameter inside, inches % 2 %Q 54 fyin % % 



Thickness of wall, inches %4 %4 %o %o %4 % 



Per foot (see Special Notice) 15 .17 .22 .27 .42 .60 



11600. RUBBER TUBING, Latiruco, Black, light wall, pure gum, free from blooming, very elastic and 

 impervious to gases. It clings to glass tubing, eliminating wiring. Especially suitable for 

 connections to gas analysis apparatus. Each length bears the trade-mark Labruco repeated 

 frequently. 



Diameter inside, inches % %, ^e V-t 5 /ie % % % % 1 



Thickness of wall, inches % 2 %, % 4 # 6 }{ % 2 %2 % % % 



Per foot (see Special Notice) ... .06 .09 .12 .18 .24 .35 .50 .80 .90 1.15 

 Per 12-foot length 60 .90 1.20 1.80 2.40 3.90 5.25 



