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A Study of the Current Transformer with Particular Reference to Iron Loss
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.
Date:
1911
Creator:
Agnew, P. G.
System:
The UNT Digital Library
The Steam-Turbine Expansion Line on the Mollier Diagram, and a Short Method of Finding the Reheat Factor
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.
Date:
1911
Creator:
Buckingham, Edgar
System:
The UNT Digital Library
Density and Thermal Expansion of Ethyl Alcohol and of its Mixtures with Water
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.
Date:
1913
Creator:
Osborne, N. S.; McKelvy, E. C. & Bearce, H. W.
System:
The UNT Digital Library
Analysis of Alternating-Current Waves by the Method of Fourier, with Special Reference to Methods of Facilitating the Computations
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.
Date:
1913
Creator:
Grover, Frederick W.
System:
The UNT Digital Library
Equilibrium in the System: Lead Acetate, Lead Oxide, and Water, at 25⁰
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.
Date:
1915
Creator:
Jackson, Richard F.
System:
The UNT Digital Library
Effective Resistance and Inductance of Iron and Bimetallic Wires
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.
Date:
1916
Creator:
Miller, John M.
System:
The UNT Digital Library
A Direct-Reading Device for Use in Computing Characteristics of Vacuum Tungsten Lamps (with Computing Chart)
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.
Date:
1916
Creator:
Skogland, J. F.
System:
The UNT Digital Library
Thermoelectric Measurement of Critical Ranges of Pure Iron
Report issued by the Bureau of Standards over the measurements of critical ranges of pure iron wire. The methods and materials used for the measurements are discussed. This report includes tables, and illustrations.
Date:
1918
Creator:
Burgess, George K. & Scott, H.
System:
The UNT Digital Library
Measurements on the Index of Refraction of Air for Wave Lengths from 2218 A to 9000 A
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.
Date:
1918
Creator:
Meggers, W. F. & Peters, Chauncey G.
System:
The UNT Digital Library
Coupled Circuits in Which the Secondary has Distributed Inductance and Capacity
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.
Date:
1911
Creator:
Cohen, Louis
System:
The UNT Digital Library
The Determination of the Constants of Instrument Transformers
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.
Date:
1911
Creator:
Agnew, P. G. & Fitch, T. T.
System:
The UNT Digital Library
A Modified Method for the Determination of Relative Wave-Lengths
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.
Date:
1911
Creator:
Priest, Irwin G.
System:
The UNT Digital Library
The Electrical Conductivity of Commercial Copper
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.
Date:
1911
Creator:
Wolff, F. A. & Dellinger, J. H.
System:
The UNT Digital Library
Observations on Ocean Temperatures in the Vicinity of Icebergs and in Other Parts of the Ocean
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.
Date:
1914
Creator:
Waidner, C. W.; Dickinson, H. C. & Crowe, J. J.
System:
The UNT Digital Library
Specific Heat of Copper in the Interval 0⁰ to 50⁰ Celsius with a Note on Vacuum-Jacketed Calorimeters
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.
Date:
1915
Creator:
Harper, D. R.
System:
The UNT Digital Library
Platinum Resistance Thermometry at High Temperatures
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.
Date:
1911
Creator:
Waidner, C. W. & Burgess, George K.
System:
The UNT Digital Library
New Forms of Instruments for Showing the Presence and Amount of Combustible Gas in the Air
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.
Date:
June 23, 1919
Creator:
Weaver, E. R. & Weibel, E. E.
System:
The UNT Digital Library
Effect of Rate of Temperature Change on the Transformations in an Alloy Steel
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.
Date:
July 10, 1919
Creator:
Scott, Howard
System:
The UNT Digital Library
Thermal Expansion of Insulating Materials
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.
Date:
December 27, 1919
Creator:
Souder, Wilmer H. & Hidnert, Peter
System:
The UNT Digital Library