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



429 



No. 11552. 



No. 11556. 



No. 11562. 



No. 11572. 



11540. RUBBER CEMENT, for cementing rubber joints, rubber, etc ............ Per ounce bottle $0.15 



11544. RUBBER DAM, pure gum ........................................... Per square foot SO 



11546. RUBBER DAM, pure gum, 36 inches wide ............................. Per linear foot 1.00 



RUBBER DISKS for Foot Bellows, see Blowers. 



RUBBER FINGER COTS, see Finger Cots, Rubber No. 5514. 



RUBBER FUNNELS, see Funnels. 



RUBBER GLOVES, see Gloves. 



11552. RUBBER POLICEMEN, narrow shape, for removing precipitates from walls of beakers, etc.; flat 



end, %x% 6 inch. Complete with glass rod 6x% 6 inches ................... Each .09 



Per dozen .90 



11553. RUBBER POLICEMEN. Same as No. 11552, but without glass rod ........... Per dozen .45 



11556. RUBBER POLICEMEN, wing shape, with rubber 1% inches wide at end. Complete with glass 



rod 6x% 6 inches ......................................................... Each .09 



Per dozen .90 



11557. RUBBER POLICEMEN. Same as No. 11556, but without glass rod ........... Per dozen .70 



11562. RUBBER SCRAPER for scraping precipitates from the walls of beakers, etc. Hard rubber 

 handle with soft cone shaped rubber tip ........................................... .20 



11566. RUBBER SHEETING, white, 36 inches wide ................................. Per yard 1.20 



RUBBER SPATULAS, see Spatulas. 



11572. RUBBER STOPPERS, made from best quality of rubber especially for chemical laboratory use; 

 will not harden from age. Each size furnished in three styles solid, one hole or two holes. 

 ....................................................................... Per pound 1.80 



Table Showing Approximate Number of Rubber Stoppers in One Pound, 



7372. RUBBER STOPPERS, especially designed for use with Moisture Testers Nos. 7360 to 7364, to 

 stand the high temperature existing in moisture test flasks; they are necessary when copper 

 flasks are used. 



No 5 6 



Per dozen 1.65 2.20 



RUBBER TESTING APPARATUS, see Testing Machines. 



