548 ANNUAL REPORT SMITHSONIAN INSTITUTION, 1939 



OUB SCIENCES AND TECHNIQXra:8 



150. Introduction. 



151. Science. Encyclopaedia Britannica, vol. 20, pp. 115-123. 



152. Scientific method. Encyclopaedia Britannica, vol. 20, pp. 127-133. 



153. The Story of Science, by David Dietz. Dodd, Mead, 1938. 



154. The Smithsonian Physical Tables. Smithsonian Institution, publication 



3171, Washington, 1934. 



155. Meteorology. Encyclopaedia Britannica, vol. 15, pp. 343-356. 



156. Matliematics. Encyclopaedia Britannica, vol. 15, pp. 69-89. 



157. Portraits of Eminent Mathematicians, by David Eugene Smith. Scripta 



Mathematica, New York, portfolios 1 and 2. 



158. Telescopes. Encyclopaedia Britannica, vol. 15, pp. 904-909. 



159. Microscopes. Encyclopaedia Britannica, vol. 15, pp. 433-443. 



OUB EARTH, ITS FEATURES AND PEOPLES 



160. Introduction. 



161. The World Atlas. Rand McNally, New York. 



162. Our races : introduction. 



163. The world's races. Encyclopaedia Britannica, vol. 2, pp. 41-50. 



164. Explanation of the fundamental triangulation net of the United States 



(with map). 



165. Methods of Surveying. Coast & Geodetic Survey booklets, Nos. 502, 529, 562, 



583, Special No. 23, Department of Commerce. 



166. Geology. Encyclopaedia Britannica, vol. 10, pp. 155-173. 



167. Exploring Down, by Sherwin F. Kelly. Reprint from The Explosives 



Engineer, September-October 1935. 



168. The Earth, by Chester A. Reeds. The University Press, New York, First 



Trade Edition, 1935. 



OUR MEDICINE, PUBLIC HEALTH, DENTISTRY AND PHARMACY 



169. Introduction. 



170. Frontiers of Medicine, by Dr. Morris Fishbein. Williams & Wilkins, Balti- 



more, June 1933. 



171. Men of Medicine. The March of Time, Issue No. 11, vol. IV. 



172. Work of the United States Public Health Service, Reprint 1447. 



173. Report of the Surgeon General of the United States, June 30, 1937. 



174. Dentistry. Encyclopaedia Britannica, vol. 7, pp. 222-225. 



175. 1937 Year Book of Dentistry. 



176. United States Pharmacopaea. 



177. X-Ray and Fluoroscopy: catalogs of the Westinghouse X-Ray Co. 



OUR INDUSTRIES 



178. Introduction. 



179. Explanation of Sears, Roebuck catalog. 



180. Sears, Roebuck catalog No. 177— Philadelphia— Fall & Winter 1938-39. 



181. Inventions and discoveries. Encyclopaedia Britannica, vol. 12, pp. 545-547. 



182. Some basic inventions of modern times. United States Patent OflBce. 



183. Industrial revolution. Encyclopaedia Britannica, vol. 12, pp. 303-306. 



184. Industrial relations. Encyclopaedia Britannica, vol. 12, pp. 293-303. 



