110 



A. DAIGGER & COMPANY, CHICAGO, U. S. A. 



2349-2 



2349-2 COMBUSTION APPARATUS, Johnson's, Electrical, for the determina- 

 tion of carbon in iron, steel, ferro alloys and plumbago. 

 Designed by Mr. C. M. Johnson of the Park Steel Works 

 of the Crucible Steel Co. of America. 



A. The Electrical Furnace, Hoskins' Type F. D. 302, for 

 either 110 or 220 volts direct or alternating current, for 

 temperatures not to exceed 1000 C. The energy con- 

 sumed is 6 amperes for 110 volts. The tube chamber is 

 12 inches long and 1% inch in diameter. Complete, 

 with a six foot connecting cord and with plug for ordi- 

 nary Edison lamp socket $25.00 



IN ORDERING, STATE VOLTAGE AVAILABLE 



Rheostat for above 8.50 



Repair parts for furnace: 



Alundum tube 2.10 



Alundum tube, wound with wire 7.00 



B. Jar, for Potassium Hydroxide, stick form, or for any 

 solid dryer or absorbent 1.00 



C. Jar for Potassium Hydroxide Solution 1.50 



D. Calcium Chloride Jar 2.00 



E. Soda Lime Jar 2.00 



F. Mercury Safety Valve 75 



G. Mercury Pressure Indicator, for detection of leaks.... 1.00 



H. Jar for Granular Zinc 80 



I. Jar for Phosphoric Anhydride 75 



J. Absorbing and weighing Apparatus for COa 1.50 



K. Quartz Combustion Tube, 24x$4 inch 5.00 



The complete Combustion Apparatus, as illustrated, with 

 Rheostat, but without oxygen tank 55.00 



"Rapid Methods for the Chemical Analysis of Special 

 Steels. Steel making alloys and Graphite" by C. M. 

 Johnson, describing the above determination 3.00 



2351 



2351a 



2351 COMBUSTION CAPSULES, porcelain. 



Diameter, mm 40 50 



Height, mm 22 30 



Each $0.20 $0.25 



2351a COMBUSTION CAPSULES, Fused Silica, especially adapted for ash determina- 

 tions, ignitions, etc. 



Diameter, inches 1^ 1J4 2 2^ 



Each $0.60 $0.60 $0.90 $1.00 



COMBUSTION BOATS, see Boats. 

 COMBUSTION Furnaces, see Furnaces. 

 COMBUSTION Tubes, see Tubes. 



