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 Serial/Series Title: Scientific papers (United States. National Bureau of Standards)
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
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
Analysis of Alternating-Current Waves by the Method of Fourier, with Special Reference to Methods of Facilitating the Computations

Analysis of Alternating-Current Waves by the Method of Fourier, with Special Reference to Methods of Facilitating the Computations

Date: 1913
Creator: Grover, Frederick W.
Description: Report issued by the Bureau of Standards over analysis of alternating currents. These currents are applied with the Fourier method. Descriptions of the method, and the results are presented. This report includes tables, and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Measurements on the Index of Refraction of Air for Wave Lengths from 2218 A to 9000 A

Measurements on the Index of Refraction of Air for Wave Lengths from 2218 A to 9000 A

Date: 1918
Creator: Meggers, W. F. & Peters, Chauncey G.
Description: Report issued by the Bureau of Standards over measurements of air refraction. Comparison of older studies of this kind is presented. As stated in the introduction, "a brief review of the objects, experimental methods, and results of these earlier investigations will assist in explaining the purpose of this additional investigation on the index of refraction and dispersion of air described in detail in this paper" (p. 698). This report includes tables, 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
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
Observations on Ocean Temperatures in the Vicinity of Icebergs and in Other Parts of the Ocean

Observations on Ocean Temperatures in the Vicinity of Icebergs and in Other Parts of the Ocean

Date: 1914
Creator: Waidner, C. W.; Dickinson, H. C. & Crowe, J. J.
Description: Report issued by the Bureau of Standards over studies on ocean temperatures. Temperatures in the vicinity of icebergs are measured and compared with temperatures taken from other areas of the ocean. This report includes photographs, 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
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
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
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