Collection: Science and Technology

What Plane is that? By C. A. Weymouth, Jr.

Gold Mining and Milling in the United States and Canada: Current Practices and Costs by Charles F. Jackson and John B. Knaebel. U.S Department of Commerce, Bureau of Mines Bulletin 363

International Morse Code (Instructions). Department of the Army Technical Manual. Department of the Air Force Technical Order. TM 11-459, TO 31-3-16

On the Distribution of the Powers of Producing Heat and Light Among the Different Groups of the Animal Kingdom bound with Nature of Vision in the Invertebrate Animals by E. W. Bradley PRESENTATION COPY

The Observer's Book of Geology by I. O. Evans

Anatomical Model of The Mare

The Natural History of Insects. First Series.

The Insect Book by Leland O. Howard

The Government Collection of Original Views of the World's Columbian Exposition Secured by the Official Government Photographer for Preservation in the Archives at Washington

Fig. 2. Print from “The Treatment of Tabetic Ataxia by Means of Systematic Exercise” by Dr. H. S. Frenkel

Figs. 92 and 93. Print from “The Treatment of Tabetic Ataxia by Means of Systematic Exercise” by Dr. H. S. Frenkel

Figs. 42 and 43. Print from “The Treatment of Tabetic Ataxia by Means of Systematic Exercise” by Dr. H. S. Frenkel

Figs. 53 and 54. Print from “The Treatment of Tabetic Ataxia by Means of Systematic Exercise” by Dr. H. S. Frenkel

Figs. 57 and 58. Print from “The Treatment of Tabetic Ataxia by Means of Systematic Exercise” by Dr. H. S. Frenkel

Fig. 95. Print from “The Treatment of Tabetic Ataxia by Means of Systematic Exercise” by Dr. H. S. Frenkel