SCIENCE 



New Series 

 Vol. XL. No. : 



Friday, November 20, 1914 



Single Copies, 15 Cts. 

 Annual Soesokiption, ?5.00 



''If these ovens continue to work as well as the one 

 J have now, I expect we shall get several more * ' 



So writes a Government analyst in India about the Freas Electric Oven 



He has purchased three more since 





The Freas Electric 

 Oven 



is used in nearly one thousand 

 laboratories throughout the world 



The opinions of users endorse the 

 oven as the most accurate and 

 durable electric one for constant 

 temperature, and the only oven 

 that can be depended upon for 

 continuous unattended operation. 



Approved by the National Board of Fire Underwriters 

 Write for descriptive literature 



EIMER ,^1^ AMEND 



Headquarters for Educational and Industrial Laboratory Supplies 



NEW YORK CITY 

 205-211 Third Ave. 



PITTSBURGH, PA. 

 3006 Jenkins-Arcade Bldg. 



HAMBURG, GERMANY 



