486 



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



No. 11921 



2% 

 2000 

 3.00 

 2.25 



2% 

 1750 

 3.50 

 2.60 



11924. SCORIFIERS, Denver Fire Clay. 



Diameter, inches 2 



Number in original barrel 2000 



Per 100 $2.80 



Per 100 in original barrel 2.05 



SCORIFIER TONGS, see Tongs. 



11930. SCRAPER, for cleaning muffles, flat end, length 36 inches 



11932. SCRAPER, same as No. 11930, but with end bent 



SCREWS, Machine, Iron, Flat Head. In gross packages only. 



Length, inches ... %g % %e %%%%%! 



11940 A. No. 2, per gross.. . $0.30 .30 .30 .30 .30 .35 .40 

 11940B. No. 4, per gross ... .30 .30 .30 .30 .30 .35 .40 .40 

 11940C. No. 6, per gross. .. .35 .35 .35 .35 .35 .40 .45 .45 .50 

 11940D. No. 8, per gross... .35 .35 .40 .40 .45 .50 .50 .55 .60 

 11940E. No. 10, per gross... .55 .60 .60 .65 .70 .75 .75 .80 



2% 

 1000 

 4.25 

 3.15 



.50 

 .50 



.70 



.75 



1.20 



1194? A-E. SCREWS, Machine, Iron, Round Head. Same sizes and prices as No. 11940. In gross pack- 

 ages only. 

 SCREWS, Machine, Brass, Flat Head. In gross packages only. 



.65 



.75 



.95 



1.50 



2.00 



% 

 .75 

 .80 

 1.05 

 1.65 

 2.25 



.85 



.90 



1.20 



1.80 



2.60 



Length, inches ... ^ e % <M 6 



11944 A. No. 2, per gross. .. .60 .60 .60 

 11944B. No. 4, per gross ... .65 .65 .70 

 11944C. No. 6, per gross ... .85 .85 .90 

 11944D. No. 8, per gross ... 1.25 1.25 1.35 

 11944E. No. 10, per gross. . . 1.80 1.80 1.90 

 11946A-E. SCREWS, Machine, Brass, Round Head. 



ages only. 

 SCREWS, Wood, Iron, Flat Head. In gross packages only. 



Length, inches ....................... % % 



11950A. No. 2, per gross ...... i .................. 50 .50 



11950B. No. 4, per gross ........................ 50 .50 



11950C. No. 6, per gross ................... '. . . . .50 .50 



11950D. No. 8, per gross ........................ 60 .60 



11950E. No. 10, per gross ....................... .70 



11952A-E. SCREWS, Wood, Iron, Round Head. Same sizes as No. 11950. 



In gross packages only. 

 SCREWS, Wood, Brass, Flat Head. In gross packages only. 



Length, inches ....................... % V 2 % 



11954A. No. 2, per gross .................. ..... 1.20 1.25 1.30 



11954B. No. 4, per gross ....................... 1.35 1.40 1.50 



11954C. No. 6, per gross ....................... 1.55 1.70 1.80 



11954D. No. 8, per gross ....................... 1.95 2.15 2.40 



11954E. No. 10, per gross ....................... 2.80 3.15 



1.05 

 1.35 

 2.00 

 3.00 



Same sizes and prices as No. 



.50 

 .50 

 .55 

 .60 

 .70 

 Prices 



1.50 1.65 2.70 



2.15 2.35 3.45 



3.35 3.70 4.80 



11944. In gross pack- 



.50 

 .55 

 .65 

 .70 



.55 

 .60 

 .65 

 .75 



.55 

 .60 

 .70 

 .80 



0.10 per gross greater. 



1.45 

 1.65 

 2.00 

 2.60 

 3.45 



% 

 1.85 

 2.00 

 2.15 

 2.85 

 3.75 



2.25 

 2.35 

 3.20 

 4.10 



11956A-E. SCREWS, Wood, Brass, Round Head. Samesizes and prices as No. 11954. In gross packages only. 

 11960. SCREW DIES, round, adjustable, % inch diameter, % inch thick. 



11961. 



No A B C 



Screw gauge No 2 4 6 



Approx. diam., in . . . % 4 % 4 % 4 



No. threads to inch.. 56 36 



Each 95 .80 .60 



SCREW DIE STOCK, for holding No. 11960 Dies 



J 



14 

 % 

 20 

 60 

 .80 



