100 REPORT OF NATIONAL MUSEUM, 1922. 



spraying machine used in protecting - the shade trees of the near-by 

 park. The installations included an exhibit of hand-loom weaving, 

 silk textiles for men's wear, ornamental objects made from human 

 hair, and models of knitting machinery. The exhibits devoted to 

 fur fabrics, plushes, combinations of thrown and artificial silks, 

 printed silks, mohair textiles, and tied and dyed fabrics were re- 

 arranged and their appearance much improved. The exhibit show- 

 ing foods put up by children was enlarged and rearranged, and there 

 were added eight colored bromide enlargements of photographs 

 showing important steps in the cold-pack method. 



The assignment of the entire east gallery for the use of exhibits 

 of the division of medicine necessitated a complete rearrangement 

 of all of the cases. This reorganization resulted in the installation 

 of 20 new exhibits and the rearrangement of several others. The 

 installations belonging to the historical series consisted of exhibits 

 showing the history and principles of osteopathy, historical articles 

 relating to homeopathy, a case arranged to show the history of the 

 United States Pharmacopoeia and the work of revising and pub- 

 lishing the ninth edition of this official standard, and eight more 

 bromide enlargements of photographs of men famous in medicine. 

 These comprise Harvey, the English doctor who discovered the 

 circulation of the blood; McDowell, the American who performed 

 the first ovariotomy; Long, an American, the first surgeon to use 

 ether as an anesthetic in a surgical operation; Morton, the American 

 who demonstrated ether anesthesia to the world; Pasteur, the 

 Frenchman who was the pioneer in bacteriology; Koch, the Ger- 

 man who discovered the cause of tuberculosis and cholera; Reed, 

 an American who was president of the commission which demon- 

 strated that yellow fever is transmitted by mosquitoes; and Gorgas, 

 the famous American sanitarian who made possible the building of 

 the Panama Canal. This completes a series of 16 pictures, which 

 are mounted on the pilasters above the cases. In addition to utiliz- 

 ing a space the barrenness of which detracted from the exhibits 

 as a whole, these portraits point out some of the noted benefactors 

 of the human race who have overcome the general skepticism re- 

 garding new medical doctrines and who have constructed a scientific 

 basis for the cure of disease. The pharmaceutical collections of the 

 division were enhanced by the addition of three exhibits arranged 

 to show the steps in the manufacture of medicated plasters, pills, 

 and tablets and some of the principal pharmaceutical operations em- 

 ployed in the manufacture of medicines. The part taken by medi- 

 cine and surgery in the development of special branches of industry 

 has been shown by exhibits illustrating the manner of making medi- 

 cated plasters, surgical dressings, catgut ligatures and sutures, and 

 clinical thermometers. The exhibits illustrating the treatment of 



