126 SEPOKT OF NATIONAL MUSEUM, 1930. 



for food, the most important grades used for soaps, toilet articles, 

 lubricants and textile finishes. 



WORK OF PRESERVING AND INSTALLING THE COLLECTIONS. 



During the autumn of 1919, practically the entire time of the 

 curator, one assistant curator, and one preparator "was occupied in 

 unpacking*, listing 1 , and installing the extensive series of objects illus- 

 trating the work and equipment of the military hospitals of the 

 U. S. Army, which was to form a part of the war collections. Three 

 rooms and a part of the foyer on the ground floor of the Natural 

 History Building were assigned to the division of medicine for this 

 purpose. The whole series comprising over 4,000 objects was ar- 

 ranged to si low : 



(a) Field equipment in portable form for use in field and evacuation hos- 

 pitals. 



(&) Base hospital equipment and apparatus, especially that intended for 

 overseas service. 



The field equipment exhibited included the first aid kit and 

 emergency belt worn by all enlisted men in the Medical Corps; held 

 desks. Held operating table, chests of medical supplies, surgical 

 instruments and dressings; complete, portable dental outfit, includ- 

 ing operating chair and dental engine: emergency dental outfit of 

 the most necessary supplies and instruments, packed in portable 

 cases for carrying in the hand: field kitchen, portable disinfector, 

 folding cot, water sterilizing outfit and portable steam sterilizer; 

 also a held litter carrier, ?>- stretcher Ford ambulance and standard 

 (t. M. C. 4-stretcher ambulance. 



The specimens illustrating the important standard articles of 

 equipment, instruments, and apparatus used in the base hospitals 

 of the Army were grouped into 12 sections as follows: 



1. The X-Ray Laboratory, containing all the important fixed 

 and portable types of equipment, including a stationary X-Ray 

 machine, interrupterless type, equipped with a high tension 

 100,000-volt transformer, synchronous motor, rectifier and con- 

 trolling rheostat, milliammeter and automatic time switch; 

 base hospital X-Ray table: standard tube stand for use with 

 the table: a vertical Roentgenoseope for the examination of 

 standing patients: a Wheatstone stereoscope for examining 

 X-Ray photographic plates: a vertical stereoscope plate 

 changer; and a complete set of localization apparatus. This 

 room also contains a portable X-Ray outfit with gasolene elec- 

 tric generator, portable X-Ray table, and a bedside X-Uay 

 unit for use in hospital wards. The wiring and setting up of this 

 equipment was planned and supervised by Capt. A. P. Moora- 



