526 



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



RUBBER 



14900. RUBBER ROD, hard, polished, full lengths 30 inches. 



Diam., inches .... % 6 ^4 tyio % %6 % 



Lbs., per ft 015 .027 .04 .063 .08 .10 



Per ft. $0.10 .12 .15 .25 .30 .40 



14902. RUBBER SHEET, hard, polished, full sheets 20x48 inches. 



Thickness, inches i^g % %g 



Lbs. per sq. ft 38 .76 1.14 



Per sq. ft 1.15 2.40 3.25 



RUBBER SHEET, soft, see page 429. 

 14904. RUBBER TUBING, hard, not polished, V inch wall. 



Diameter, outside, inches % 



Per ft .20 



RUBBER TUBING, soft, see general heading Rubber Tubing. 



.16 

 .55 



1.52 



4.95 



74 



.23 

 .75 



%8 

 1.90 

 6.00 



.30 



% 

 .29 

 .90 



2.28 

 6.60 



.40 



1 



.42 

 1.35 



3.04 

 9.60 



.50 



STEEL 

 STEEL WIRE, see page 522. 



STEEL RIBBON, for galvanometer suspensions, see page 207. 



14906. STEEL ROD, Cold Rolled, Rectangular, full lengths 10 to 12 feet. (See note below.) 



Size, inches i/ 16 x V 2 %x* ' %xl V>x% 



Lbs. per ft 106 .212 .85 1.28 2.55 



Per ft 10 .15 .35 .40 .75 



14907. STEEL ROD, Cold Rolled, Round, full lengths 10 to 12 feet. (See note below.) 



Diameter, inches 14 %e %%%%%! 



Lbs. per ft 17 .27 .39 .67 1.1 1.5 2.1 2.7 



Per ft 10 .10 .12 .15 .25 .30 .40 .55 



14908. STEEL ROD, Cold Rolled, Square, full lengths 10 to 12 feet. (See note below.) 



Size, inches 14 % i/, % i 



Lbs. per ft 213 .478 .851 1.94 3.4 



Per ft 12 .15 .25 .55 .85 



14910. STEEL ROD, Coppered Bessemer, round, full lengths 4 feet. (See note below.) 



Diameter, inches % % 6 14 tyio % %g % 



Lbs. per ft 05 .10 .17 .27 .39 .52 .67 



Per ft 05 .05 .05 .10 .10 .15 .20 



14312. STEEL ROD, Drill Rod, round, for tool making. 



Diam., inches. . % y tfi % y lrt % 7^ 6 i/ 2 6/ lQ % i^ e 04 i% 6 % i^ e j 

 Per foot 15 .20 .25 .30 .40 .50 .65 .75 .90 1.00 1.25 1.50 1.75 1.85 2.00 



14914. STEEL ROD, Magnet, Round. 



Diameter, inches *4 % % % % 



Per foot 15 .35 .60 .95 1.35 



14915. STEEL ROD, Magnet, Square. 



Size, inches % % % % % 



Per foot 20 .45 .80 1.20 1.70 



Hardening and magnetizing quoted upon application. 



TIN 

 TIN SHEET, see Iron Sheet, tinned. 



14930. TIN SHEET, pure block tin, B. & S. No. 22, 12 inches wide Per sq. ft. 3.10 



14932. TIN TUBING. Pure block tin. 



Diameter, inside, inches % % %e % % % 



Ounces per foot 456 8 8 12 



Per ft 75 .90 1.05 1.45 1.45 2.10 



ZINC 



14940. ZINC SHEET, thin, B. & S. No. 32 Per sq. ft .20 



14942. ZINC SHEET. 



Thickness, inches } 2 We % %6 ^4 %e 



Lbs. per sq. ft 1.15 2.30 4.60 6.90 9.20 11.50 



Per sq. ft 75 1.35 .2.80 4,00 5.35 6.65 



ZINC WIRE, see page 523. 



NOTE: For convenience in shipping, certain items rods, tubing, etc. are cut in about 3-foot 

 lengths, unless specially ordered in longer pieces. 



