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



147 



No. 2872. 



No. 2888. 



2868. 

 2870. 



2872. 

 2874. 

 2876. 



2878. 

 2880. 



2882. 



2884. 



2886. 



2888. 



CLAMP, Condenser, same as No. 2864, with check nut to adjust to any position, and with clamp 



holder attached $- 90 



CLAMP, Dish, Stoddard's, of brass, white-plated, for holding evaporating and other dishes up to 



4% inches in diameter -16 



CLAMP, Flask, for flasks and large tubes, of wood, with wire spring. Length, 10^ inches. .60 



CLAMP, Test Tube, of wood, improved form with brass spring 12 



CLAMP, Test Tube, of spring wire, nickel-plated, with improved finger rests. Length, 6^ inches 



16 



CLAMP, Test Tube, Chaddock's, of japanned wire, shaped as shown in illustration 20 



CLAMP, Test Tube, Stoddard's, of spring wire. Length, 4% inches. (See No. 2918 Clamp Holder.) 



10 



CLAMPS, Tubing, Cut-off, of brass, nickel-plated. 



No A B 



For tubing up to. inches ^6 %6 



Each 



Per dozen -55 .90 



CLAMPS, Tubing, Mohr's Pinchcock, of brass spring wire, nickel-plated. 



No A B C 



Total length, inches 2% 3 3% 



For tubing up to, inches r 'i,; % % 



Each 10 .12 .16 



CLAMP, Tubing, Mohr's Pinchcock, of rectangular wire, giving a flat bearing surface on the tub- 

 ing 3 mm wide, insuring close contact and safe guarding the tubing. Made of stiff spring brass 



white-plated, with flat finger grips. Length, 2% inches; for tubing up to % inch 20 



CLAMPS, Tubing, Spring Pinchcock, Day's, Patented. Can be placed on or removed from rubber 

 tubing without disconnecting apparatus. The most serviceable pinchcock made. Constructed 

 of strong brass spring wire, white-plated. 



No A 



Length, inches 2 % 2 % 



For tubing up to, inches 91 6 % 



Each . 08 .09 



