SCIENCE— ADVERTISEMENTS 



is ready for distribution. When 



req&aestiiig your copy ask for 

 Catalog C. 



This Polariscope is one of 

 many new instruments Hsted for 

 the first time in our catalog. 

 Aside from general laboratory 

 work this instrument is widely 

 used for urine analysis. Readings 

 are made by means of the ver- 

 nier and vernier magnifiers to an 

 accuracy of 1/10°. 



ite for Catalog 



PAL2 coMPAr^ 



Appaj'atus for Industrial and 

 Laboratory Use 



153 WEST 23rd ST. 



NEW YORK, N. Y. 



