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Flood Prevention in Anthracite Mines, Western Middle and Southern Fields: Anthracite Region of Pennsylvania, Project Number 2

Description: From Summary: "This report covers the second in a series of five projects into which the Conowingo tunnel system has been divided for geographical and practical reasons. It outlines the construction work contemplated-to sink two shafts on the line of the main tunnel that are designated the Nos. 9A and 11 shafts, to turn off from the No. 9A shaft the Landsford and Lykens laterals, and to drive portions of the main tunnel."
Date: 1955
Creator: Ash, S. H. (Simon Harry), b. 1889; Dierks, H. A.; Kynor, H. D.; Lesser, W. H.; Miller, P. S. & Romischer, W. M.
Partner: UNT Libraries Government Documents Department
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Flood Prevention in Anthracite Mines, Northern Field: Anthracite Region of Pennsylvania, Project Number 3 (Wyoming)

Description: From Scope of Report: "This report covers the following: (a) A brief description of the work contemplated under Project No. 3 as an integral part of the Conowingo tunnel system; (b) an economic discussion of the area affected; (c) the geology and hydrology of the Northern field, including the Wyoming Basin; (d) the basic problem, plans, and costs, and the construction schedule of the project; (e) an economic analysis and a justification for the project; (f) recommendations and cooperation of lo… more
Date: 1955
Creator: Ash, S. H. (Simon Harry), b. 1889; Dierks, H. A.; Kynor, H. D.; Lesser, W. H.; Miller, P. S. & Romischer, W. M.
Partner: UNT Libraries Government Documents Department
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Injury Experience in the Coking Industry, 1952: Detailed Analysis of Safety Factors and Related Employment Data

Description: From Introduction and Summary: "The injury data and experience at coke ovens in the United States for 1952 are presented in this bulletin under the following general sections: (A) General injury experience: Tables 1 to 9: Contain current and comparable data on operating statistics, number and classification of injuries, frequency rates, and accident agencies involved in causing injuries. Data are given for the industry as a whole, for each type of oven, and for the States in which coke is manuf… more
Date: 1955
Creator: Reese, Seth T. & Kearney, Naomi W.
Partner: UNT Libraries Government Documents Department
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Petrography of American Coals

Description: From Introduction and Summary: "A large number of published papers contain petrographic information relating to the specific coals investigated; a classified list of these papers is included in the report (p.144). To fill the obvious need for a compilation of all available petrgraphic information, this report gives tabulated data of 217 samples of various American coals investigated in the Bureau of Mines Coal Petrography Laboratory."
Date: 1955
Creator: Parks, B. C. & O'Donnell, H. J.
Partner: UNT Libraries Government Documents Department
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A Graphic Method of Determining the Explosibility Characteristics of Mine-Fire Atmospheres

Description: From Purpose: "The purpose of this paper is to discuss briefly the analysis of complex mixtures of gases encountered in mine fires and to illustrate application of such data in fire-fighting procedures. This report illustrates how analyses of mine-fire gases can be utilized to determine the progress of mine fires as well as to establish safe tactics for controlling and extinguishing these fires.
Date: 1955
Creator: Shaw, J. F.
Partner: UNT Libraries Government Documents Department
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Injury Experience in the Coking Industry, 1953: Detailed Analysis of Safety Factors and Related Employment Data

Description: From Introduction and Summary: "The Injury and related employment experience of the coking industry in the United States for 1953 contained in this bulletin are presented under three general sections, as follows: (A) General injury experience: Tables 1 to 9: Contain current and comparable statistics on operating data, number, frequency, and severity of injuries, and major accident agencies involved in the cause of injuries. (B) Selected injury experience Tables 10 to 15: Contain comparable inju… more
Date: 1955
Creator: Reese, Seth T. & Kearney, Naomi W.
Partner: UNT Libraries Government Documents Department
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Injury Experience in the Quarry Industry, 1952: Detailed Analysis of Safety Factors and Related Employment Data

Description: From Introduction and Summary: "The quarries covered by this report have been classified according to the kind of rock produced, as follows: Cement rock (including limestone or other stone used in making cement), limestone, marble, sandstone, slate, traprock, and granite. The tables in this bulletin represent all phases of the quarrying industry, except sand, gravel, and clay."
Date: 1955
Creator: Reese, Seth T. & Kearney, Naomi W.
Partner: UNT Libraries Government Documents Department
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Corrosive and Erosive Effects of Acid Mine Waters on Metals and Alloys for Mine Pumping Equipment and Drainage Facilities: Anthracite Region of Pennsylvania

Description: From Summary: "This report presents data on the corrosive and erosive effects of acid mine waters in the anthracite region on metals and alloys for pumping equipment and drainage facilities necessary to remove or control this water. This report is based on field tests conducted cooperatively by the Armco Steel Corp. and the Federal Bureau of Mines from January 1953 to June 1954 to determine the most suitable materials for constructing pumping equipment designed to handle these acid mine waters." more
Date: 1955
Creator: Ash, S. H.; Dierks, H. A.; Felegy, E. W.; Huston, K. M.; Kennedy, D. O.; Miller, P. S. et al.
Partner: UNT Libraries Government Documents Department
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Methods for Detecting and Determining Carbon Monoxide: Revision of Technical Paper 582

Description: From Purpose and Scope of Publication: "This publication discusses the various methods now used more or less for detecting and determining carbon monoxide in air and in other gaseous mixtures, outlining briefly the reactions or principles upon which the methods are based, the range of concentrations that may be determined, and the accuracy of determination."
Date: 1955
Creator: Beatty, R. L.
Partner: UNT Libraries Government Documents Department
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Injury Experience in Coal Mining, 1952: Analysis of Mine Safety Factors, Related Employment, and Production Data

Description: From Description of Data: "The data in this bulletin were compiled from reports furnished by producers on two questionnaires of the Bureau of Mines, Form 6-1420, "Employers Report of Coal-Mine Injury," and Form 6-1420A, "Coal-Mine Injuries and Employment." Exposure, tonnage, and operating data were reported monthly from mines employing 20 or more men daily and annually from mines employing less than 20 men. Injury and employment data cover all men at an operation who were engaged in production,… more
Date: 1955
Creator: Reese, Seth T.; Wrenn, Virginia E. & Reid, Elizabeth J.
Partner: UNT Libraries Government Documents Department
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Explosion-Proof Design and Wiring for Permissible Mining Equipment

Description: From Scope of Paper: "This paper mainly consist of a discussion of design features of explosion-proof units that have been employed in the construction of permissible machines."
Date: 1955
Creator: Gleim, E. J.; James, R. S. & Brunot, H. B.
Partner: UNT Libraries Government Documents Department
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United States Earthquakes, 1955

Description: Report discussing earthquake activity in the United States during 1955. The report is broken down by regions and has sections for specific earthquakes.
Date: 1955
Partner: UNT Libraries Government Documents Department
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IsotopesProduction Reactor: Summary of Complete Design

Description: Report describing an Isotope Production Reactor, which may be of interest to industrial groups studying the possibilities of entering the radioactive isotopes production field. Detailed drawings and specifications for the construction of the reactor are included.
Date: 1955
Creator: Winkleblack, R. K
Partner: UNT Libraries Government Documents Department
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Analysis of Limitations Imposed on One-Spool Turbojet-Engine Designs by Turbines Having Downstream Stators at 0, 2.0, and 2.8 Flight Mach Numbers

Description: Memorandum presenting an aerodynamic design-point analysis of one-spool turbojet engines with one-stage turbines with one and with two rows of downstream stator blades. The object of the analysis was to evaluate the design characteristics of the turbines in comparison with conventional one- and two-stage turbines, to determine the extent to which exit whirl can be increased before causing weight-flow capacity to decrease, and to determine the effect of downstream stators on engine design limita… more
Date: January 19, 1955
Creator: Cavicchi, Richard H. & Constantine, Anita B.
Partner: UNT Libraries Government Documents Department
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Performance Characteristics of Several Divergent-Shroud Aircraft Ejectors

Description: Report presenting an investigation of ten divergent- and two cylindrical-shroud ejectors to determine internal ejector performance over a range of pressure ratios and expansion area ratios for Mach numbers up to about 3. Results regarding jet-thrust and air-handling characteristics and net-thrust performance are provided.
Date: September 8, 1955
Creator: Greathouse, William K. & Beale, William T.
Partner: UNT Libraries Government Documents Department
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Preliminary Evaluation of Flight-Weight XRJ47-W-5 Ram-Jet Engine at a Mach Number of 2.75

Description: Report presenting a free-jet investigation of the performance, burner-shell cooling, and ignition characteristics of a flight-weight 48-inch-diameter XRJ47-W-5 ramjet engine at an inlet Mach number of 2.75 and an angle of attack of 3 degrees. Data were obtained over a range of altitudes, inlet temperatures, and fuel-air ratios.
Date: July 26, 1955
Creator: Welna, Harry J. & Reilly, Dwight H.
Partner: UNT Libraries Government Documents Department
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Wing Pressure Distributions Over the Lift Range of the Convair XF-92A Delta-Wing Airplane at Subsonic and Transonic Speeds

Description: Report presenting chordwise pressure distributions measured over the left wing of the Convair XF-92A delta-wing airplane to determine the effect of lift on the wing characteristics at subsonic and transonic Mach numbers. Results regarding the chordwise pressure distributions, wing-section aerodynamic characteristics, spanwise distribution, and elevon-section loads are provided.
Date: November 30, 1955
Creator: Keener, Earl R. & Jordan, Gareth H.
Partner: UNT Libraries Government Documents Department
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Summary and Analysis of Horizontal-Tail Contribution to Longitudinal Stability of Swept-Wing Airplanes at Low Speeds

Description: Report discussing available wind-tunnel data on low-speed horizontal-tail contribution to the static longitudinal stability of high-speed airplane configurations with unswept and sweptback wings. The effects of variations of tail position, wing plan form, airfoil section, trailing-edge flaps, stall-control devices, and ground interference on air-flow characteristics an tail contribution are also described.
Date: August 23, 1955
Creator: Neely, Robert H. & Griner, Roland F.
Partner: UNT Libraries Government Documents Department
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Aerodynamic Characteristics of Two Rectangular-plan-form, Allmovable Controls in Combination With a Slender Body of Revolution at Mach Numbers From 3.00 to 6.25

Description: Aerodynamic characteristics of rectangular platform, all-movable controls combined with slender body of revolution at Mach 3 to 6.25. The results showed that lift variations with angle of attack were somewhat nonlinear for both control-body combinations tested.
Date: December 28, 1955
Creator: Wong, Thomas J. & Gloria, Hermilo R.
Partner: UNT Libraries Government Documents Department
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The Origin and Distribution of Supersonic Store Interference From Measurement of Individual Forces on Several Wing-Fuselagestore Configurations 1. - Swept-Wing Heavy-Bomber Configuration With Large Store (Nacelle). Lift and Drag; Mach Number, 1.61

Description: Memorandum presenting a supersonic wind-tunnel investigation of the origin and distribution of store interference in the 4- by 4-foot supersonic pressure tunnel at Mach number 1.6 in which separate forces on a store, a fuselage, a swept wing, and a swept-wing-fuselage combination were measured. The store was separately sting-mounted on its own six-component internal balance and was traversed through a wide systematic range of spanwise, chordwise, and vertical positions.
Date: March 11, 1955
Creator: Smith, Norman F. & Carlson, Harry W.
Partner: UNT Libraries Government Documents Department
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The Origin and Distribution of Supersonic Store Interference From Measurement of Individual Forces on Several Wing-fuselage-store Configurations 2 - Swept-wing Heavy-bomber Configuration With Large Store Nacelle. Lateral Forces and Pitching Moments, Mach Number, 1.61

Description: Memorandum presenting a supersonic wind-tunnel investigation of the origin and distribution of store interference performed in the 4- by 4-foot supersonic pressure tunnel at Mach number 1.6. Separate forces on a store, a fuselage, a swept wing, and a swept-wing-fuselage combination were measured. The configuration investigated simulated a heavy bomber airplane with a large store or nacelle with frontal area equivalent to a twin-engine nacelle.
Date: July 6, 1955
Creator: Smith, Norman F. & Carlson, Harry W.
Partner: UNT Libraries Government Documents Department
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Effects of Wing-Fuselage Flow Fields on Missile Loads at Subsonic Speeds

Description: "The flow-field characteristics around a swept-wing airplane model at low subsonic speed are described, and the loads induced on a typical missile model while operating within these flow fields are presented. In addition, theoretical flow fields are compared with experiment and are used in first-order estimations of the resulting induced missile loads" (p. 1).
Date: June 27, 1955
Creator: Alford, William J., Jr.
Partner: UNT Libraries Government Documents Department
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Experimental Investigation of a Body Flare for Obtaining Pitch Stability and a Body Flap for Obtaining Pitch Control in Hypersonic Flight

Description: Memorandum presenting the effectiveness of a body flare as a pitch-stabilizing device and a body flap as a pitch-control device investigated experimentally at Mach numbers from 3.00 to 6.25. The basic test body was rotationally symmetric and consisted of a fineness ratio 3 nose followed by a fineness ratio 9 afterbody. Results regarding the stability of the flared body, effect of body flap on lift and drag, trim conditions, flow visualization studies, and comparison of theory and experiment are… more
Date: January 18, 1955
Creator: Eggers, A. J., Jr. & Syvertson, Clarence A.
Partner: UNT Libraries Government Documents Department
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