SCIENCE-ADVERTISEMENTS 



Laboratory Apparatus 

 Scientific Instruments 



Reliable Analytical Chemicals 



complete equipments for Research and General Laboratories 



Apparatus For : 



Analytical Work 

 Asphalt^Oil — Tar Testing 

 Assay and Metallurgy 

 Bacteriology 

 Biology 

 Cement Testing 

 Chemical Testing 

 Coal Testing 

 Co2 

 Crushing — Grinding — Pulverizing 

 Distilling 

 Drug Testing 

 Drying 

 Electric Heating 

 A Food Testing 



New Fuel Economy 



CATALOGUE Hardness Testing 



in Heat Indicating and Recording 



Preparation Health Board 



Hospitals 

 Metallography 

 Microscopy 

 Mining 

 Paper Testing 

 Physico-Chemical 

 Soil Testing 

 Sugar Testing 

 Titration 

 Zoology 



BR AUN-KNECHT-HEIM ANN - CO. 



"Founded 1852" 



576-584 Mission Street San Francisco, Calif. 



LABORATORY EQUIPMENT AND CHEMICALS 



Inventors — Manufacturers — Exporters — Distributors 

 Cable Address, "BRAUNDRUG" Los Angeles House 



All Codes used. The Braun Corporation 



