SCIENCE 



New Series 

 Vol. L, No. 1285 



Friday, August 15, 1919 



Single Copies, 

 Annual SuesoeJ 



Morgan Dropweight Apparatus 



^^ailes 



The Standard Apparatus 

 for determining the vapor 

 tension of liquids, drop- 

 weights, etc. 



Made according to the speci- 

 fications of Prof. J. L. Morgan, 

 of the Department of Physical 

 Chemistry, Columbia Univer- 

 sity. The apparatus is blown 

 and the various parts ground 

 to fit exactly by expert work- 

 men in our glass shop. 



Every part is guaranteed to 

 be of the highest quality work- 

 manship, made from the finest 

 glass, and to be standard in 

 every particular. 



Complete ^^vitK 

 Case, $75.00 



EIMER & AMEND 



FOUNHED 1851 

 SOLE MA-XUFACTURERS A.]VI> DISTRIBtJTORS 



N3.tiona.l Hea-dqaarters for Fine Scientiftc Apparatus, C.P. and 

 T.P. Chemicals and Laboratory Supplies 



Third Avenue, 18th to 19th Street NEW YORK CITY 



PITTSBURGH OFFICE: 2011 Jenkins Arcade 



Glfto: 



Doolitt] 



