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  Partner: UNT Libraries Government Documents Department
 Country: United States
 Serial/Series Title: Scientific papers (United States. National Bureau of Standards)
 Collection: Technical Report Archive and Image Library
Cooperative Measurements of Radio Fading in 1925

Cooperative Measurements of Radio Fading in 1925

Date: August 17, 1927
Creator: Dellinger, J. H.; Jolliffe, C. B. & Parkinson, T.
Description: Scientific paper issued by the Bureau of Standards over studies conducted on radio fading. As stated in the abstract, "the series of measurements on fading were devoted to studies of fading effects during the sunset period, effects during the solar eclipse of January 24, the fading variations throughout a 24-hour day, and the effects of high transmitting power on fading" (p. 419). This paper includes tables, maps, illustrations, and photographs.
Contributing Partner: UNT Libraries Government Documents Department
Measurements on the Thermal Expansion of Fused Silica

Measurements on the Thermal Expansion of Fused Silica

Date: April 13, 1926
Creator: Souder, Wilmer H. & Hidnert, Peter
Description: Scientific paper issued by the Bureau of Standards over thermal expansion of fused silica. As stated in the abstract, "this paper gives the results of an investigation on the thermal expansion of transparent and nontransparent fused silica for various temperature ranges between -125 and +1,000 degrees Celsius. A detailed description of the apparatus and the methods used in this research and a summary of available data obtained by previous observers on the thermal expansion of fused silica are given" (p. 1). This paper includes tables, photographs, and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Formulas, Tables and Curves for Computing the Mutual Inductance of Two Coaxial Circles

Formulas, Tables and Curves for Computing the Mutual Inductance of Two Coaxial Circles

Date: August 5, 1924
Creator: Curtis, Harvey L. & Sparks, C. Matilda
Description: Scientific paper issued by the Bureau of Standards over the mutual inductance of two coaxial circles. As stated in the abstract, "a number of examples are given to show the methods of computation by the different formulas, tables, and charts" (p. 541). This paper includes tables, and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Theory of Determination of Ultra-Radio Frequencies by Standing Waves on Wires

Theory of Determination of Ultra-Radio Frequencies by Standing Waves on Wires

Date: June 23, 1924
Creator: Hund, August
Description: Scientific paper issued by the Bureau of Standards over ultra-radio frequencies. As stated in the abstract, "this paper furnishes the theoretical background for the method of frequency standardization employing short standing waves on parallel wires" (p. 487). This paper includes tables, and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
A New Interferential Dilatometer

A New Interferential Dilatometer

Date: February 28, 1920
Creator: Priest, Irwin G.
Description: Scientific paper issued by the Bureau of Mines over development of a dilatometer. The instrument is used in tests of thermal expansion. The methods are presented and discussed. This paper includes an illustration.
Contributing Partner: UNT Libraries Government Documents Department
Efflux of Gases Through Small Orifices

Efflux of Gases Through Small Orifices

Date: January 28, 1920
Creator: Buckingham, Edgar & Edwards, Junius David
Description: Scientific paper issued by the Bureau of Standards over studies conducted on gas effusion rates. The methods used and the results of the studies are presented and discussed. This paper includes tables, and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Thermal Expansion of Insulating Materials

Thermal Expansion of Insulating Materials

Date: December 27, 1919
Creator: Souder, Wilmer H. & Hidnert, Peter
Description: Scientific paper issued by the Bureau of Standards over studies on thermal expansion. Expansivity tests are conducted on many different insulating materials. The results of the tests are discussed. This paper includes tables, photographs, and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Effect of Rate of Temperature Change on the Transformations in an Alloy Steel

Effect of Rate of Temperature Change on the Transformations in an Alloy Steel

Date: July 10, 1919
Creator: Scott, Howard
Description: Scientific paper issued by the Bureau of Standards over studies conducted on the effects of temperature change on alloy steel. The experimental methods used and the results are presented and discussed. This paper includes tables, photographs, and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
New Forms of Instruments for Showing the Presence and Amount of Combustible Gas in the Air

New Forms of Instruments for Showing the Presence and Amount of Combustible Gas in the Air

Date: June 23, 1919
Creator: Weaver, E. R. & Weibel, E. E.
Description: Scientific paper issued by the Bureau of Standards over the detection of combustible gases in the air. The design and development of new detection equipment is discussed. This paper includes tables, photographs, and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
A Direct-Reading Device for Use in Computing Characteristics of Vacuum Tungsten Lamps (with Computing Chart)

A Direct-Reading Device for Use in Computing Characteristics of Vacuum Tungsten Lamps (with Computing Chart)

Date: 1916
Creator: Skogland, J. F.
Description: Report issued by the Bureau of Standards over the development of a computing device to be used with vacuum lamps. The methods of development are presented and discussed. This report includes tables, and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Effective Resistance and Inductance of Iron and Bimetallic Wires

Effective Resistance and Inductance of Iron and Bimetallic Wires

Date: 1916
Creator: Miller, John M.
Description: Report issued by the Bureau of Standards over the use of bimetallic wires. The resistance and inductance of the bimetallic wires are studied. This report includes tables, and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Equilibrium in the System: Lead Acetate, Lead Oxide, and Water, at 25⁰

Equilibrium in the System: Lead Acetate, Lead Oxide, and Water, at 25⁰

Date: 1915
Creator: Jackson, Richard F.
Description: Report issued by the Bureau of Standards over studies on basic acetates and their importance as an effective clarifying agent. The analytical procedures and the results of the studies are discussed. This report includes tables, and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Specific Heat of Copper in the Interval 0⁰ to 50⁰ Celsius with a Note on Vacuum-Jacketed Calorimeters

Specific Heat of Copper in the Interval 0⁰ to 50⁰ Celsius with a Note on Vacuum-Jacketed Calorimeters

Date: 1915
Creator: Harper, D. R.
Description: Report issued by the Bureau of Standards over studies on the specific heat of copper. The methods and equipment used for the studies are discussed. This report includes tables, photographs, and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Density and Thermal Expansion of Ethyl Alcohol and of its Mixtures with Water

Density and Thermal Expansion of Ethyl Alcohol and of its Mixtures with Water

Date: 1913
Creator: Osborne, N. S.; McKelvy, E. C. & Bearce, H. W.
Description: Report issued by the Bureau of Standards over the thermal expansion of ethyl alcohol. As stated in the introduction, "the scope of the present work includes the preparation of pure anhydrous ethyl alcohol, the determination of the density and thermal expansion of this alcohol and its mixtures with water, and the construction from these data of tables for convenient use" (p. 328). This report includes tables, and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Coupled Circuits in Which the Secondary has Distributed Inductance and Capacity

Coupled Circuits in Which the Secondary has Distributed Inductance and Capacity

Date: 1911
Creator: Cohen, Louis
Description: Report issued by the Bureau of Standards over studies conducted on coupled circuits. Emphasis was placed on the secondary circuit and its inductance and capacity. The results of the studies are presented and discussed. This report includes illustrations.
Contributing Partner: UNT Libraries Government Documents Department
The Determination of the Constants of Instrument Transformers

The Determination of the Constants of Instrument Transformers

Date: 1911
Creator: Agnew, P. G. & Fitch, T. T.
Description: Report issued by the Bureau of Standards over studies on instrument transformers. As stated in the first paragraph, "the principle of the method here described is the same for both current and potential transformers, being an application of the potentiometer method" (p. 281). The methods and equipment studied are presented and discussed.
Contributing Partner: UNT Libraries Government Documents Department
The Electrical Conductivity of Commercial Copper

The Electrical Conductivity of Commercial Copper

Date: 1911
Creator: Wolff, F. A. & Dellinger, J. H.
Description: Report issued by the Bureau of Standards over the conductivity of copper. Samples of commercial copper were studied, and the results are presented and discussed. This report includes tables, illustrations, and photographs.
Contributing Partner: UNT Libraries Government Documents Department
A Modified Method for the Determination of Relative Wave-Lengths

A Modified Method for the Determination of Relative Wave-Lengths

Date: 1911
Creator: Priest, Irwin G.
Description: Report issued by the Bureau of Standards over developments made to the methods for the determination of relative wave-lengths. The methods developed are discussed. This report includes tables, and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Platinum Resistance Thermometry at High Temperatures

Platinum Resistance Thermometry at High Temperatures

Date: 1911
Creator: Waidner, C. W. & Burgess, George K.
Description: Report issued by the Bureau of Standards over platinum resistance thermometry. The advantages and limitations at high temperatures are discussed. This report includes tables, and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
The Steam-Turbine Expansion Line on the Mollier Diagram, and a Short Method of Finding the Reheat Factor

The Steam-Turbine Expansion Line on the Mollier Diagram, and a Short Method of Finding the Reheat Factor

Date: 1911
Creator: Buckingham, Edgar
Description: Report issued by the Bureau of Standards over the Mollier diagram. The steam-turbine expansion line on the diagram is discussed. This report includes tables, and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
A Study of the Current Transformer with Particular Reference to Iron Loss

A Study of the Current Transformer with Particular Reference to Iron Loss

Date: 1911
Creator: Agnew, P. G.
Description: Report issued by the Bureau of Standards over studies conducted on current transformers. Emphasis is placed on iron loss. The results of the studies are presented and discussed. This report includes tables, and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Dependence of Magnetic Hysteresis upon Wave Form

Dependence of Magnetic Hysteresis upon Wave Form

Date: 1909
Creator: Lloyd, Morton G.
Description: Report issued by the Bureau of Standards over studies on magnetic hysteresis and its dependence upon wave form. Methods and equipment used during the studies are presented and discussed. This report includes tables, and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
A New Form of Standard Resistance

A New Form of Standard Resistance

Date: October 1, 1908
Creator: Rosa, Edward B.
Description: Report issued by the Bureau of Standards over new developments of electrical resistivity in manganin wire coils. The results of the developments are discussed. This report includes tables, illustrations, and photographs.
Contributing Partner: UNT Libraries Government Documents Department
Selective Radiation from the Nernst Glower

Selective Radiation from the Nernst Glower

Date: 1908
Creator: Coblentz, W. W.
Description: Report issued by the Bureau of Standards over studies conducted on the radiation emitted from a Nernst filament. Methods and results of the studies are presented and discussed. This report includes tables, and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
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