Technical Report Archive & Image Library (TRAIL) - 164 Matching Results

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Report of the Twentieth National Conference on Weights and Measures, 1927

Description: Report of the annual conference on weights and measures, hosted by the U.S. National Bureau of Standards in Washington D.C. It includes conference proceedings, a list of attendees, information about committees and officers, and other reports or commentaries discussed at the meetings.
Date: 1928
Creator: United States. Bureau of Standards.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Safety in Coal Mining: A Handbook

Description: Report issued by the Bureau of Mines discussing safety measures adopted by mining operations in the United States. As stated in the introduction, "this report deals solely with accidents in coal mines and with the means of prevention that have been determined and officially approved by the bureau" (p. 2). This report includes tables.
Date: 1928
Creator: Rice, George S.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Production of High-Alumina Slags in the Blast Furnace

Description: Technical report issued by the U.S. Bureau of Mines discussing the results of investigations studying the effects of alumina composition on the viscosity of iron slag.
Date: 1928
Creator: Joseph, T. L. (Thomas Leonard), b. 1894; Kinney, S. P. (Selwyne Perez), 1890-1976 & Wood, C. E. (Carl Edwin), b. 1900
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Thermodynamic Properties of Oxygen and Nitrogen

Description: Report issued by the Bureau of Mines discussing the thermodynamics of oxygen and nitrogen. Properties of these elements and methods of estimating thermodynamic data are presented. This report includes tables.
Date: 1928
Creator: Millar, Russell W. & Sullivan, John D.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Limits of Inflammability of Gases and Vapors

Description: Report issued by the Bureau of Mines over studies conducted on the inflammability of the gases found in mines. As stated in the introduction, "it is the object of this paper to present the results of a critical review of all figures published on the limits of inflammability of combustible gases and vapors when in admixture with air, oxygen, or other "atmosphere" (p. 1). This report includes tables, and illustrations.
Date: 1928
Creator: Coward, H. F. & Jones, G. W.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Savoia Marchetti "S 64" Airplane

Description: The S 64 is a large monoplane with an aspect ratio of 7. It has a cantilever wing made of a single piece, entirely of wood. The wing has three spars with a covering of plywood. The engine is mounted high over the wing's center. It was designed for long distance transatlantic flights.
Date: August 1928
Creator: Victor, Maurice
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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The Sikorsky Twin Engined Amphibian, Type S-38, Model 1928

Description: The S-38, model 28 is a nine passenger Sesquiplane powered by two Pratt and Whitney Wasp 410 HP engines and is intended for routes where the ability to take off and land from both land and water is essential. A description of the weight, construction, power plant, fuel system, landing gear, hull and floats, dimensions, flight characteristics, blueprints, and photographs are provided.
Date: August 1928
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Westland "Wapiti" (British)

Description: The Widgeon Wapiti is a military aircraft suitable for a variety of roles. It is a normal tow-bay wire-braced biplane and can be powered by a variety of the Bristol Jupiter series engines.
Date: September 1928
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Variable Pitch Propellers

Description: It is proposed in this report to explain the Gloster Hele-Shaw Beacham variable pitch propeller. It is a variable pitch propeller, which has been theorized to greatly improve the performance of an airplane or airship. An explanation of the way the propeller works and some of the physics behind propeller operation are provided.
Date: April 1928
Creator: Milner, H. L.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Take-Off of Heavily Loaded Airplanes

Description: In the present article, several suggestions will be made for shortening the otherwise long take-off distance. For the numerical verification of the process, I will use a graphic method for determining the take-off distance of seaplanes.
Date: April 1928
Creator: Pröll, A.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Comments on Crankless Engine Types

Description: This report describes the leading crankless engine types, which have appeared in recent years. These types include: the Mitchell crankless motor car engine and the German Michel engine.
Date: May 1928
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Prospective Development of Giant Airplanes

Description: This report presents a survey of the latest German giant airplane projects. A description of the physical form of the airplanes, their performance, and some possible applications are provided.
Date: May 1928
Creator: Von Römer, B.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Tensile Strength of Welded Steel Tubes: First Series of Experiments

Description: The purpose of the experiments was to determine the difference in the strength of steel tubes welded by different methods, as compared with one another and also with unwelded, unannealed tubes, including; moreover, a comparison of the results obtained by experienced and inexperienced welders.
Date: January 1928
Creator: Rechtlich, A.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Crank Case Scavenging of a Two-Stroke-Cycle Engine

Description: "Experiments with a two-stroke-cycle, crank case scavenging engine. Effect of systematic variation of the height of the scavenge and exhaust ports on the scavenging, as determined by gas analysis. The best results were obtained under conditions differing from the usual ones" (p. 1).
Date: January 1928
Creator: Holm, Otto
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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The Gloster "Goldfinch" (British): Single-Seat Fighter

Description: The Goldfinch is equipped with the Bristol Jupiter Mark Vii engine. It is the all metal version of the Gloster Gamecock used by the R.A.F. A description of the construction, components, flying qualities, characteristics, drawings, and photographs are provided.
Date: November 1928
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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The "Gloster IV" Seaplane (British)

Description: Circular describing the Glouster IV, which is a biplane designed for high maximum speeds. A description of the components, design, controls, performance, drawings, and photographs are provided.
Date: March 1928
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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The Avro "Avian III" Airplane (British)

Description: The Avro Avian has a lift capacity of 828 lbs (including pilot). It is equipped with the Mark II A.D.C. Cirrus engine. Details regarding the fuselage, cockpits, controls, landing gear, wings, engines, characteristics, drawings, and photographs are provided.
Date: April 1928
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

The Parnall "Imp": A New British Light Airplane

Description: Circular presenting a description of the Parnall Imp, which is a new British light airplane that lacks any wire bracing, has an all-wood construction, and has general weatherproof qualities. Results regarding wings, fuselage, landing gear, engine, cockpit, characteristics, drawings, and photographs are provided.
Date: May 1928
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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