128 REPORT OF XATIOXAL MUSEUM, 19^20. 



0. Bacteriological Laboi-atory, fitted with apparatus for pre- 

 paring culture media, hot air and steam sterilizers for glassware, 

 centrifuges operated by hand, water power and electricity, elec- 

 trically controlled incubator, a Avater bath, and a compound 

 microscope witli all regular accessories. 



10. Serological Laboratory, containing Wasserman bath, ani- 

 mal cage, innoculating equipment, etc. 



11. ]*at]ioIogical Laboratory with j^araffine bath, embedding 

 apparatus, microtome, microscope, staining equipment and set 

 of instruments for post-mortem work. 



12. Chemical Laboratory, containing in addition to the usual 

 equipment, special apparatus for the examination and analysis 

 of water, blood, urine, etc.. and a demonstration of the manner 

 of preparing and standardizing Dakin's solution for use in the 

 ward. 



Tliis comprehensive exhibit of the means placed in the hands of the 

 medical officers of the U. 8. Arm.y, with Avliich to fight the medical 

 battles of the AVar of 1917-1918, Avas opened to the public on March 

 1, 1920, and has from the beginning attracted the attention of visi- 

 tors. Former service men and their relatives and friends are all 

 intensely interested in seeing the things tliat meant so much in tlie 

 restoration of tlie sick or Avounded soldier. 



A special exhibit Avas arranged in the division of medicine for 

 the benefit of the delegates in attendance on the 68th Annual Con- 

 Aention of the American Pharmaceutical Association, held May .5th 

 to 10th, and the U. S. Pharmacopoeial Convention on May 11 and 12, 

 1920. The exhibit filled three cases on the East Gallery of the Arts 

 and Industries Building, and comprised: 



1. A collection of the Pharmacopoeias of inactiraliy every foreign country 

 which anthorizHs Mich a standard ; 



2. The historical devoiopment of the United States Pharmacopoeia, beginning 

 Avith the Edinlnu'gh Pharmacopoeia of 1766 and the Pharmacopoeia of the Mas- 

 sachusetts Medj,cal Society of ISOS, the precursors of our U. S. Standard, Avhich 

 was shoAvn in practically eA'cry edition : 



3. The National Formulary, now official in the enforcement of the Pure Food 

 and Drug Laws, and examples of the Homeopathic and Veterinary Pharmaco- 

 poeias; 



4. A collection of Cummentaries uu the U. S. Pharmacopoeia, comprising many 

 editions of the U. S. Dispensatory, the National Dispensatory, and the Ameri- 

 can Dispensatory, and digests and comments from the last Committee on Re- 

 Aision of the Pharmacopoeia ; 



.'">. Pliotogi-aphs of )»ersoiis itrominent in the American Pharmaceutical Asso- 

 ciation. 



This exhibit as avcU as the study collections and sectional library 

 was visited l)y many of the delegates in attendance upon the conven- 

 tions. As the curator and assistant curator in charge of this division 



