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Revision of the American Flying Squirrels

Description: Habits, voice, nests, breeding, food, economic status, pelage and molt, and descriptions of species and subspecies of the American flying squirrels.
Date: June 13, 1918
Creator: Howell, Arthur H.
Partner: UNT Libraries Government Documents Department
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The Rice Rats of North America (Genus Oryzomys)

Description: Discusses habits, economic status, morphology, variation, history, and specimens of North American rice rats. Provides a key and descriptions for species and subspecies.
Date: September 23, 1918
Creator: Goldman, Edward A.
Partner: UNT Libraries Government Documents Department
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An Introduction to the Laws of Air Resistance of Aerofoils

Description: Report presents methods of calculating air resistance of airfoils under certain conditions of flow phenomena around the airfoil.
Date: September 1918
Creator: de Bothezat, George
Partner: UNT Libraries Government Documents Department
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A Convenient Multiple-Unit Calorimeter Installation

Description: Report issued by the Bureau of Mines discussing the installation of a multiple-unit calorimeter. Operating instructions, and methods are presented in detail. This report includes tables, illustrations, and photographs.
Date: 1918
Creator: Davis, J. D. & Wallace, E. L.
Partner: UNT Libraries Government Documents Department
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Temperature-Viscosity Relations in the Ternary System CaO-Al₂O₃-SiO₂

Description: Technical paper issued by the Bureau of Mines over studies on the relations of temperature-viscosity. The "observations on the temperature-viscosity relations of silicates" (p. 5) are presented and discussed. This report includes tables, and illustrations.
Date: April 1918
Creator: Feild, Alexander L. & Royster, P. H.
Partner: UNT Libraries Government Documents Department
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Thermoelectric Measurement of Critical Ranges of Pure Iron

Description: Report issued by the Bureau of Standards over the measurements of critical ranges of pure iron wire. The methods and materials used for the measurements are discussed. This report includes tables, and illustrations.
Date: 1918
Creator: Burgess, George K. & Scott, H.
Partner: UNT Libraries Government Documents Department
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Measurements on the Index of Refraction of Air for Wave Lengths from 2218 A to 9000 A

Description: Report issued by the Bureau of Standards over measurements of air refraction. Comparison of older studies of this kind is presented. As stated in the introduction, "a brief review of the objects, experimental methods, and results of these earlier investigations will assist in explaining the purpose of this additional investigation on the index of refraction and dispersion of air described in detail in this paper" (p. 698). This report includes tables, illustrations, and photographs.
Date: 1918
Creator: Meggers, W. F. & Peters, Chauncey G.
Partner: UNT Libraries Government Documents Department
open access

Electrolysis and its Mitigation

Description: Technical paper issued by the Bureau of Standards over studies conducted on electrolysis. As stated in the introduction, "this investigation has included a study of the physical laws governing electrolytic and self-corrosion in soils, an extended investigation of the effects of electric currents on plain and reinforced concrete, and a study of the work of previous investigators relating to the subject of electrolysis and its prevention" (p. 5). This paper includes tables, illustrations, and pho… more
Date: November 25, 1918
Creator: Rosa, Edward B. & McCollum, Burton
Partner: UNT Libraries Government Documents Department
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Suggestions for Improved Methods of Mining Coal on Indian Lands in Oklahoma

Description: Technical paper issued by the Bureau of Mines over studies of Oklahoma coal mines. As stated in the introduction, "this report describes the systems of mining used, points out their defects, and presents suggestions for improved methods, more especially as regards the applicability of different modifications of the panel system to mining coal in Oklahoma" (p. 5). This paper includes tables, maps, and illustrations.
Date: May 1918
Creator: Rutledge, J. J. & Harrington, Daniel
Partner: UNT Libraries Government Documents Department
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Notes on the Black Sand Deposits of Southern Oregon and Northern California

Description: Technical paper issued by the Bureau of Mines over the black sands of Oregon and California. The history, and character of the deposits are presented. This paper includes tables, maps, photographs, and illustrations.
Date: 1918
Creator: Hornor, R. R.
Partner: UNT Libraries Government Documents Department
open access

Toluol Recovery

Description: Technical paper issued by the Bureau of Standards over toluol-recovery, known as light oil. The methods used in the toluol-recovery are presented and discussed. This paper includes tables, and illustrations.
Date: December 19, 1918
Creator: McBride, R. S.; Reinicker, C. E. & Dunkley, W. A.
Partner: UNT Libraries Government Documents Department
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Rock Quarrying for Cement Manufacture

Description: Report issued by the Bureau of Mines over rock quarries in the United States. As stated in the introduction, "the bulk of the report deals with quarrying methods and equipment, and gives special attention to drilling and blasting; a chapter on rock mining and one on prospecting are included" (p. 1). This report includes tables, illustrations, and photographs.
Date: June 1918
Creator: Bowles, Oliver
Partner: UNT Libraries Government Documents Department
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The Diesel Engine: Its Fuels and Its Uses

Description: Report discussing recent developments in the design and construction of the Diesel engine, the fuels suitable for burning in it, and the uses to which it is particularly adapted.
Date: June 1918
Creator: Haas, Herbert
Partner: UNT Libraries Government Documents Department
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Gold Dredging in the United States

Description: Report discussing the development of gold dredging in the United States, the essential features of present-day dredges, the facts that determine whether a placer deposit can be profitably dredged, and the approved methods of prospecting placer ground and of operating dredges. Intended for designers and builders of dredges, mining engineers, and persons who may contemplate investing capital in placer-mining ventures.
Date: May 1918
Creator: Janin, Charles
Partner: UNT Libraries Government Documents Department
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Methods of Shutting Off Water in Oil and Gas Wells

Description: Report discussing methods of shutting off water in oil and gas wells in California, the Midwest, and the Gulf. Emphasis is on the methods used in California and suggestions for modifying California methods to make them applicable in other localities.
Date: October 1918
Creator: Tough, F. B.
Partner: UNT Libraries Government Documents Department
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War Minerals Nitrogen Fixation and Sodium Cyanide

Description: Report discussing the results of the Bureau of Mines' investigations into questions of priority, transportation, fuel, equipment, construction of highways and roads, labor supply, best practices for mining, and the development of new materials in the production of war minerals. Produced for the War Industries Board, the U.S. Shipping Board, and other government establishments.
Date: June 1918
Creator: Manning, Van. H.
Partner: UNT Libraries Government Documents Department
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Experimental Research on Air Propellers

Description: The purposes of the experimental investigation on the performance of air propellers described in this report are as follows: (1) the development of a series of design factors and coefficients drawn from model forms distributed with some regularity over the field of air-propeller design and intended to furnish a basis of check with similar work done in other aerodynamic laboratories, and as a point of departure for the further study of special or individual types and forms; (2) the establishment… more
Date: 1918
Creator: Durand, William F.
Partner: UNT Libraries Government Documents Department
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Nomenclature for Aeronautics

Description: Report defines the principal terms which have come into use in the development of aeronautics.
Date: 1918
Partner: UNT Libraries Government Documents Department
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An Investigation of the Elements Which Contribute to Statical and Dynamical Stability, and of the Effects of Variation in Those Elements

Description: Part 1 gives details of models tested and methods of testing of the Eiffel 36 wing alone and the JN2 aircraft. Part 2 presents a statistical analysis of the following: lift and drag contributed by body and chassis tested without wings; lift and drag contributed by tail, tested without wings; the effect on lift and drift of interference between the wings of a biplane combination; lift and drag contributed by the addition of body, chassis, and tail to a biplane combination; total parasite resista… more
Date: 1918
Creator: Klemin, Alexander; Warner, Edward P. & Denkinger, George M.
Partner: UNT Libraries Government Documents Department
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Periodic Stresses in Gyroscopic Bodies, With Applications to Air Screws

Description: Report discusses periodic stresses in gyroscopic bodies with applications to air screws caused by particle mass. Report concludes that all modern air screws obey the laws found for plane groups of particles. In particular the two-bladers exert on the shaft a rhythmic gyroscopic torque; the multibladers a steady one; both easily calculable for any given conditions of motion and mass distribution.
Date: 1918
Creator: Zahm, A. F.
Partner: UNT Libraries Government Documents Department
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