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7,772
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999
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979
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13,233 Matching Results
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The Knock-Limited Performance of S Reference Fuel Plus 2 Milliliters of Triethylthallium Per Gallon
Report discusses the results of testing of thallium as an antiknock agent in an internal-combustion engine. From Introduction: "On a weight basis, the thallium vapors were found to have several times the antiknock value of tetraethyl lead, which was added to the fuel. The amount of thallium vapor necessary to raise the antiknock properties of a gasoline up to exact equivalence with a benzol-gasoline mixture was determined in these engine tests."
Date:
November 1945
Creator:
Meyer, Carl L.
Object Type:
Report
System:
The UNT Digital Library
Ditching Tests With 1/10-Size Model of the Army a-20a Airplane 1: Calm-Water Tests in NACA Tank No.2
Report presenting tests to determine the behavior of landplanes when they are forced to land on the water. The report is incomplete.
Date:
November 1943
Creator:
Dawson, John R. & Jarvis, George A.
Object Type:
Report
System:
The UNT Digital Library
On the Flow of a Compressible Fluid by the Hodography Method 2: Fundamental Set of Particular Flow Solutions of the Chaplygin Differential Equation
Report presenting the utilization of the differential equation of Chaplygin's jet problem to give a systematic development of particular solutions of the hodograph flow equations, which extends the treatment of Chaplygin into the supersonic range and completes the set of particular solutions. The solutions serve to place on a reasonable basis the use of velocity correction formulas for the comparison of incompressible and compressible flows.
Date:
November 1944
Creator:
Kaplan, Carl
Object Type:
Report
System:
The UNT Digital Library
The effect of exhaust-stack shape on the design and performance of the individual cylinder exhaust-gas jet-propulsion system
Report presenting tests on a single-cylinder, air-cooled engine to determine the effect of several different exhaust-stack shapes on the design and performance of the individual cylinder exhaust-gas jet-propulsion systems. Results regarding the effect of nozzle area and stack shape on exhaust-gas jet thrust, effect of nozzle area and stack shape on overall performance for the S-shape, the 90 degree bend, and the 180 degree bend, the effect on the shape on engine power and volumetric efficiency, and the effect of a branched stack on engine power are provided.
Date:
November 1942
Creator:
Turner, L. Richard & Humble, Leroy V.
Object Type:
Report
System:
The UNT Digital Library
The problem of longitudinal stability and control at high speeds
Report discussing the difficulty in pulling of high-speed dives, which is primarily due to the effect of compressibility on the lift of the wing. Some of the means described for providing increased longitudinal control include auxiliary flaps and a controllable stabilizer.
Date:
November 1943
Creator:
Hood, Manley J. & Allen, H. Julian
Object Type:
Report
System:
The UNT Digital Library
Summer crops for green manure and soil improvement.
Examines varieties of summer crops that improve soil and green manure; describes different methods of green-manuring.
Date:
November 1940
Creator:
McKee, Roland
Object Type:
Book
System:
The UNT Digital Library
The Flow of a Compressible Fluid Past a Curved Surface
Report presenting an iteration method employed to obtain the flow of a compressible fluid past a curved surface. For small Mach numbers and thin shapes, the results obtained by the iteration process agree with those obtained by the Poggi method.
Date:
November 1943
Creator:
Kaplan, Carl
Object Type:
Report
System:
The UNT Digital Library
Army medical supply depot.
A guide for army medical supply depot personnel. Discusses establishment, operation, organization, employment, and training standards.
Date:
November 6, 1942
Creator:
United States. War Department.
Object Type:
Book
System:
The UNT Digital Library
Barracks, portable, prefrabricated, 20' x 48' steel (channel frame) insulated : procedure for erecting.
Provides step by step instructions for the erection of prefabricated Army buildings and possible additional units. Provides a list of parts and markings.
Date:
November 1944
Creator:
United States. War Department.
Object Type:
Book
System:
The UNT Digital Library
Field artillery trainer, M3.
A guide to the use and maintenance of the field artillery trainer M3, a miniature gun mounted on a miniature carriage for use in conduct of fire training.
Date:
November 1944
Creator:
United States. War Department.
Object Type:
Book
System:
The UNT Digital Library
Railway shop battalion.
"This manual explains the organization and operation of railway shop battalion for employment on a standard military railway. Its purpose is to assist railway shop battalion officers in the training and operation of their units, and to guide command and staff officers charged with the employment of railway shop battalions."
Date:
November 29, 1940
Creator:
United States. War Department. Office of the Chief of Engineers.
Object Type:
Book
System:
The UNT Digital Library
Serological water baths : items 4479008 and 4480008.
A guide to the operation of standard gable type water baths suitable for Wassermann or serological inactivation work.
Date:
November 1944
Creator:
United States. War Department.
Object Type:
Book
System:
The UNT Digital Library
History of Water Flooding of Oil Sands in Oklahoma
Report issued by the U.S. Bureau of Mines on the oil production from water injection methods. As noted in the introduction, "it is the purpose of this report to present data such as volume of oil produced monthly, volume of water injected monthly, spacing of wells, number of injection wells and oil wells, and other such pertinent information" (p. 5). This report includes tables, graphs, maps, and illustrations.
Date:
November 1943
Creator:
Taliaferro, David Benjamin & Logan, David M.
Object Type:
Report
System:
The UNT Digital Library
Effects of Desulfurization on the Lead Susceptibility of Distillates From Some Crude Oils From Texas, New Mexico and Oklahoma
Report issued by the U.S. Bureau of Mines on experiments conducted regarding the desulfurization of distillates from crude oil. Characteristics and desulfurization processes are presented. This report includes tables, and a chart.
Date:
November 1943
Creator:
Guthrie, Boyd & Simmons, M. C.
Object Type:
Report
System:
The UNT Digital Library
Coke from Low-Ash Appalachian Coals for Carbon Electrodes in Aluminum Industry with a Chapter on Comparison of Results Obtained by Trent Process for Cleaning Coal with Those by Float-and-Sink Methods
Report issued by the U.S. Bureau of Mines on testing conducted on coking coal samples for carbon electrode use in aluminum production. The testing methods, and results are presented. This report includes tables.
Date:
November 1943
Creator:
Selvig, W. A.; Ode, W. H.; Gibson, F. H. & Davis, Joseph D.
Object Type:
Report
System:
The UNT Digital Library
Petroleum-Engineering Study of the Lake Creek Field, Montgomery County, Texas
Report issued by the Bureau of Mines over petroleum-engineering studies conducted at the Lake Creek field. As stated in the introduction, "this report is an engineering analysis of the reservoirs in the Lake Creek field and includes estimates of the initial volume of gas and the recoverable hydrocarbon liquid and oil" (p. 5). This report includes tables, maps, illustrations, and photographs.
Date:
November 1948
Creator:
Hill, Harry Blackburn & Vogel, Felix A., Jr.
Object Type:
Report
System:
The UNT Digital Library
Investigation of the Young American Lead-Zinc Deposit, Stevens County, Washington
Report issued by the Bureau of Mines over investigations of mines in Stevens County, Washington. The history, geology, and physical features of the mines are presented. This report includes tables, maps, and illustrations.
Date:
November 1949
Creator:
Hundhausen, Robert J.
Object Type:
Report
System:
The UNT Digital Library
Investigation of the McCormick Chromite Mine, Tuolumne County, California
Report issued by the Bureau of Mines over investigations on the McCormick chromite mine. Descriptions of the chromite deposits are presented. Details about the development made in the mine are listed. This report includes tables, maps, and illustrations.
Date:
November 1949
Creator:
Shattuck, John R. & Ricker, Spangler
Object Type:
Report
System:
The UNT Digital Library
Diamond Drilling at the Boston Consolidated Copper Mine, Salt Lake County, Utah
Report issued by the Bureau of Mines over diamond-drilling projects in Salt Lake County. The geology, physical features, and history of the mines are presented. This report includes tables, maps, illustrations, and photographs.
Date:
November 1949
Creator:
Jones, Robert L. & Wilson, Stephen R.
Object Type:
Report
System:
The UNT Digital Library
Air and Gas Injection in the Oil Fields of Illinois
Report issued by the U.S. Bureau of Mines on the gas injection methods in the oil fields of Illinois. The results and properties of the injections are presented. This report includes tables, graphs, illustrations, and maps.
Date:
November 1944
Creator:
Keithly, C. M. & Jennings, Thomas
Object Type:
Report
System:
The UNT Digital Library
Annual Report of the Mining Division, Fiscal Year 1941
Report issued by the U.S. Bureau of Mines on the annual study of the work done by the Mining Division. Investigations, operations, and projects completed during the fiscal year are discussed. This report includes tables, and photographs.
Date:
November 1941
Creator:
Jackson, Charles F.
Object Type:
Report
System:
The UNT Digital Library
Report of the Nonmetals Division: Fiscal Year 1942
Report issued by the Bureau of Mines over the operations of the Nonmetals Division during 1942. The work done by the division is discussed. This report includes tables, illustrations, and photographs.
Date:
November 1942
Creator:
Ralston, Oliver C. & Stern, A. George
Object Type:
Report
System:
The UNT Digital Library
Life history and habits of the peachtree borer in the Southeastern states.
Describes the studies of the peach tree borer at different stages of life, its history, and the damage it causes to peach trees.
Date:
November 1943
Creator:
Snapp, Oliver I. & Thomson, J. R. (James Randolph), 1903-
Object Type:
Book
System:
The UNT Digital Library
Three species of the genus Lygus and their relation to alfalfa seed production in southern Arizona and California.
Describes the characteristics of a variety of Lygus and its habits which lead to damaged alfalfa seed in southern Arizona and California.
Date:
November 1940
Creator:
Stitt, Loyd L.
Object Type:
Book
System:
The UNT Digital Library