SCIENCE-ADVERTISEMENTS 



SARQENrS REVOLVING 



ELECTRIC EXTRAC= 



f ION APPARATUS 



Pat. Dec. 23d, 1913 



A most desirable apparatus for any laboratory and especially 

 in Educational Institutions where space is limited and it is 

 desired to demonstrate the action of different solvents 

 simultaneously. 



Descriptive pamphlet sent on application 



E. H. SARGENT & CO, 



Manufacturers, Importers, Dealers in Chemicals 

 and Chemical Apparatus of High Grade Only. 



125=127 W. Lake Street 



CHICAGO 



BIOLOGY: Museum & Laboratory Supplies. 

 Biological Material 



INEW CATALOGUE 



Biological Supplies 



(Illustrated^ 



Sent FREE on Application 



Paris E.xposition\: ^Eight c/t\X>ards and Medals. Pan-American Exposition ! Gold SiJedal. 



St. Louis Exposition t Grand 'Prize and Gold cMedal 



Illustrated Catalogues Free of Charge 



Anatomical & Biological Models (Zoology and Botany). Skeletobs, SKnug, Etc. Anatomical Preparations. 

 Natural History Specimens for the Laborat iry. Lecture Room or Museum. Scientific Wall Charts. Zoology 

 and B itany. Etc Naturalists' Supplies, General Biology, Entomology, Botany. Museum & Laboratory Glass- 

 ware (Specialty — Rectangular Jars). ^' ' j„ 



Send to U3 your complete list of requirements for Scientific Materials. General Laboratory and Museum Supplies, 

 and request spaoial Duty Free or New Yiirk prices. Our STiJCKS are large, prices LOW. quality HIGH. 



the; KrNV=SCHEERER CO. 



404-410 West 27th Street, NEW YORK 



Department of Natural Science, 

 a. LAQAI, Ph.D. 



