SCIENCE-ADVERTISEMENTS 



AMERICAN MEDICAL 



MUSEUM JARS 



PATENTED 



The first rectangular Museum Jar made in America 

 Far Superior to the Jars formerly made in Germany 



Made of perfectly clear and colorless glass, thoroughly annealed, so that all internal strains 

 are removed. 



The corners and edges are thick. The possibility of breakage is therefore reduced to the 

 minimum. 



The surfaces, inside and out, are polished planes, so there is no distortion of the object 

 placed within. 



The tops of the jars are ground true and the reinforced edge provides a wide surface for 

 tight sealing. 



Bottom surface is ground flat so that the jar sets (irmly. 



The small recess at the top of the jar will hold a glass rod or frame to support the specimen. 



Covers are of the same quality of glass, are polished and correspond with the jar and are 

 ground to fit perfectly. 



Made in eleven different gizet as adopted by the International Association 

 of Medical Maseams 



Write for Prices and Descriptive Circxxlar 



DESIGNED, PATENTED AND DISTRIBUTED BY 



m Mi 



" Svery thing for the Lctboratory ' 

 Pittsburgh. Pa. 



