CENTRAL SCIENTIFIC CO., CHICAGO, U. 8. A. 



329 



No. F6065. 



No. 8140. 



No. 8142. 



No. 8148. 



No. 8146. 



No. 8150. 



8112. JABS, Stoneware, with handles and covers for storing ordinary chemicals. Preferable to a gal- 

 vanized iron can for refuse. Capacity, gallons.. y> 1 2 4 6 8 



Diameter, inches ". 5 6% 8^4 10% 10% 12 



Height, inches 5% 8 8% 10% 13 15% 



Each $0.35 .50 .75 1.50 2.00 3.00 



8114. JARS, Stoneware, with cover and nickel-plated metal stopcock, for storing distilled water, etc. 



Capacity, gallons 3 5 8 10 15 



Each 2.50 3.25 6.00 10.00 13.00 



8116. JAR, Stoneware, for storing distilled water or acids, with ground stoneware stop-cock and 



water level. Capacity, 50 liters 30.00 



8120. JARS, Tumblers, Jelly," with cover, 200 cc capacity per dozen .60 



8140. KETTLES, Evaporating, graniteware, tin cover. 



Manufacturer's rated capacity, quarts 2 4 8 



Each 60 .80 1.10 



8142. KETTLES, Infusion, double boiler, of graniteware, with tin cover. 



Manufacturer's rated capacity of inner kettle, quarts 248 



Each 1.25 2.30 2.60 



KNIFE, for glass cutting, see Glass Tubing Cutters. 

 KNIFE for mixing dough, see No. 5938. 

 8146. KNIFE, Laboratory, good steel blade 4 inches long; round wood handle. Useful for cutting corks, 



etc 25 



8148. KNIFE, Pocket, one blade, excellent quality steel, iron lined cocoa handle, 4-ineh 90 



8150. KNIFE, Pocket, two blades crocus polished, iron lined, stag handle, 4-inch. An excellent all- 

 round knife 1.50 



F6063. KYMOGRAPH. This Kymograph may be used either vertically or horizontally. The drum 

 carrying the smoked paper, on which the tracings are made, is 15 cm in diameter by about 

 15 cm long and is rotated by means of a strong spring motor, which is enclosed in a heavy iron 

 base. The speed is uniform, and is regulated by means of a magnetic control. Starting, stop- 

 ping and regulation of speed is all done from the outside. The shaft carrying the drum is re- 

 versible, and each end has a clutch, in order to secure two speeds, a slow and a fast, both of 

 which may be varied by means of the magnetic control. Range of slow speeds from one 

 revolution in 18 minutes to one in 55 seconds; of fast speeds from one revolution in 42 seconds 



to one in 8 seconds. Complete with 100 sheets of gummed glazed paper 52.50 



F0069. PAPER, glazed and gummed, for use with No. F6065. Size, 15x48 cm. 



. .Per 100 sheets .75 



