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Primary view of Analyses of Air from Burning Buildings
Katz, S. H.
November 1920
Primary view of The Sunset-Midway Oil Field, California: Part 1. Geology and Oil Resources
Pack, Robert W.
1920
Primary view of Educational Agencies in Mining Communities
Read, Thomas Thornton, 1880-1947
April 1920
Primary view of Metal Mine Ventilation and its Relation to Safety and Efficiency in Mining Operations
Harrington, D.
June 1920
Primary view of Recovery of Gold from Black Sand Tailings
Gross, John
October 1920
Primary view of Operation and Care of Vehicle-Type Batteries
Vinal, George W.
June 7, 1920
Primary view of Stability of the Parachute and Helicopter
Bateman, H.
1920
Primary view of Supplies and Production of Aircraft Woods
Sparhawk, W. N.
1920
Primary view of The Manufacture of Sulphuric Acid in the United States
Wells, Arthur Edward & Fogg, Donald E.
July 1920
Primary view of The Ultra-Violet and Visible Transmission of Various Colored Glasses
Gibson, K. S.; Tyndall, E. P. T. & McNicholas, H. J.
March 19, 1920
Primary view of Efflux of Gases Through Small Orifices
Buckingham, Edgar & Edwards, Junius David
January 28, 1920
Primary view of A New Interferential Dilatometer
Priest, Irwin G.
February 28, 1920
Primary view of Talc Mining in New York
Ladoo, Raymond B.
October 1920
Primary view of Development of the Inflow Theory of the Propeller
Betz, A.
November 1920
Primary view of Annual Report of the National Advisory Committee for Aeronautics (4th). Administrative Report Including Technical Reports Nos. 24 to 50
unknown creator
1920
Primary view of Nomenclature for Aeronautics
unknown creator
1920
Primary view of Development of Air Speed Nozzles
Zahm, A. F.
1920
Primary view of Self-Luminous Materials
Dorsey, N. E.
1920
Primary view of Aluminum and Its Light Alloys
Merica, Paul D.
1920%
Primary view of The Strength of One-Piece Solid, Build-Up and Laminated Wood Airplane Wing Beams
Nelson, John H.
1920
Primary view of The Structure of Airplane Fabrics
Walen, E. Dean
1920
Primary view of Fabric Fastenings
Walen, E. D. & Fisher, R. T.
1920
Primary view of The Efficiency of Small Bearings in Instruments of the Type Used in Aircraft
Norton, F. H.
1920
Primary view of Performance of a 300-horsepower Hispano-Suiza airplane engine
Sparrow, S. W. & White, H. S.
May 12, 1920
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