SCIENCE— ADVERTISEMENTS 



EMERSON BOMB CALORIMETERS 



For quickly determining the heat value of fuels, foods or other 

 combustibles — in research or commercial laboratories. 



Write for 

 circular 



Also offers a short method for the determination of sulphur-content in solid 

 fuels, fuel-oils and other combustible materials. It is being used for various 

 difficult oxidization reactions where considerable pressure is necessary for com- 

 pleting the reaction. 



Made with single or double valve bomb, furnished with standard double 

 walled jacket or with water-filled adiabatic jacket or with vacuum-walled adia- 

 batic jacket. 



Write for descriptive circular and prices from San Francisco stock. 

 For Sale By 



BRAUN-KNECHT-HEIMANN CO. 



FOUNDED 1852 



584 Mission Street, San Francisco, Cal., U.S.A. 



Dealers in 

 Scientific Apparatus and Supplies of every description for all kinds of Labo- 

 ratories. A complete stock of glassware. J. T. Baker's Analyzed 

 C. P. Chemicals. We specialize in equipping complete Labo- 

 ratories for Universities, Colleges, Schools, Hospitals, Mines, 

 Sugar and Oil Mills, Industrial Concerns, etc. 

 We are thoroughly familiar with the intricacies connected with foreign orders, 

 especially Educational and Industrial Laboratories, and would appreciate being 

 given the opportunity of bidding on your season's requirements or small orders. 



Inventors — Manufacturers — Elxporters — Importers 



" We know hozv to pack for export" 



Cable Address "BRAUNDRUG" tos Angeles House 



All Codes Used THE BRAUN CORPORATION 



