The Solar Spectrum 2935 Ã… to 8770 Ã… :  Second Revision of Rowland's Preliminary Table of Solar Spectrum Wavelengths (open access)

The Solar Spectrum 2935 Ã… to 8770 Ã… : Second Revision of Rowland's Preliminary Table of Solar Spectrum Wavelengths

From Abstract: "An introductory text gives a detailed description of each column of the solar ledger. Tables include counts of lines of each spectrum recorded in the identification column, leading lines in the first and second spectra, and summaries of molecules and elements present in the sun. About 73 percent of the lines are wholly or partially identified. Sixty-three elements are recorded as present."
Date: December 1966
Creator: Moore, Charlotte E.; Minnaert, M. G. J. & Houtgast, J.
Object Type: Report
System: The UNT Digital Library
Testing of Metal Volumetric Standards (open access)

Testing of Metal Volumetric Standards

From Purpose: "The specifications and tolerances contained in this Monograph should be of assistance to purchasers of metal capacity standards. The information on methods of calibration and use of these measures should prove valuable to weights and measures officials and those persons in industry who are concerned with measurements of volumes of fluids."
Date: April 1, 1963
Creator: Hughes, J. C. & Keysar, B. C.
Object Type: Report
System: The UNT Digital Library
Analysis of Electric Energy Usage in Air Force Houses Equipped with Air-to-Air Heat Pumps (open access)

Analysis of Electric Energy Usage in Air Force Houses Equipped with Air-to-Air Heat Pumps

From Introduction: "One part of this study, which is presented in this Monograph, consists of an analysis of electric energy usage and electric power demand data obtained from a sample group of occupied houses at Little Rock Air Force Base in Arkansas, equipped with heat pumps, water heaters, cooking ranges, clothes dryers, and miscellaneous appliances all operated by electricity."
Date: July 13, 1962
Creator: Achenbach, Paul R.; Davis, Joseph C. & Smith, William T.
Object Type: Report
System: The UNT Digital Library
Experimental Transition Probabilities for Spectral Lines of Seventy Elements: Derived from the NBS Tables of Spectral-line Intensities (open access)

Experimental Transition Probabilities for Spectral Lines of Seventy Elements: Derived from the NBS Tables of Spectral-line Intensities

From introduction: "The goal of the work was to provide lists of the principal lines of the elements generally observed under ordinary conditions in arc spectra, together with their relative intensities on a true scale of relative energy."
Date: July 20, 1962
Creator: Corliss, Charles H. & Bozman, William R.
Object Type: Report
System: The UNT Digital Library
Corrosion of Steel Pilings in Soils (open access)

Corrosion of Steel Pilings in Soils

From Introduction: "In this paper are presented the results obtained to date from the inspections of steel pilings. The investigation will be continued by additional inspections of pilings in other parts if the country in order to cover a wider range of soil environments."
Date: October 24, 1962
Creator: Romanoff, Melvin
Object Type: Report
System: The UNT Digital Library
Mechanical Behavior of Crystalline Solids: Proceedings of a Symposium, April 28-29, 1962 (open access)

Mechanical Behavior of Crystalline Solids: Proceedings of a Symposium, April 28-29, 1962

From Introduction: "These first three chapters from a background of introduction and general ideas about dislocations. The next two chapters are concerned specifically with properties of ceramic materials, with emphasis on single crystals."
Date: March 25, 1963
Creator: United States. Bureau of Standards.
Object Type: Report
System: The UNT Digital Library
Electron Optical Studies of Low-Pressure Gases (open access)

Electron Optical Studies of Low-Pressure Gases

From Abstract: "This document is the final report of research carried on in the Electron Physics Section of the National Bureau of Standards during the period from February 1, 1955 to March 1962 in developing an electron optical method for the visualization of low-pressure gas flow."
Date: August 16, 1963
Creator: Marton, L.; Schubert, David C. & Mielczarek, S. R.
Object Type: Report
System: The UNT Digital Library
Methods for the Dynamic Calibration of Pressure Transducers (open access)

Methods for the Dynamic Calibration of Pressure Transducers

From Introduction Statement of Objectives: "The purpose of this publication is to provide assistance to the practicing engineer who is faced with the problem of making dynamic measurements of rapidly changing pressures."
Date: December 12, 1963
Creator: Schweppe, J. L.; Eichberger, L. C.; Muster, D. F.; Michaels, E. L. & Paskusz, G. F.
Object Type: Report
System: The UNT Digital Library
Precise Measurement of Heat of Combustion with a Bomb Calorimeter (open access)

Precise Measurement of Heat of Combustion with a Bomb Calorimeter

From Introduction: "This Monograph describes methods and apparatus used at the National Bureau of Standards in connection with several series of investigations of heats of combustion of aircraft fuels [4, 5, 6, 7]."
Date: February 26, 1960
Creator: Jessup, R. S.
Object Type: Report
System: The UNT Digital Library
Microwave Spectral Tables: [Volume 1.] Diatomic Molecules (open access)

Microwave Spectral Tables: [Volume 1.] Diatomic Molecules

From Abstract: "For about 1500 spectral lines of diatomic molecules observed by coherent radiation techniques, measured frequencies, assigned quantum numbers, and newly computed intensities are given."
Date: December 1, 1964
Creator: Wacker, Paul F.; Mizushima, Masataka; Peterson, Jean D. & Ballard, Joe R.
Object Type: Report
System: The UNT Digital Library
Standard Cells: Their Construction, Maintenance, and Characteristics (open access)

Standard Cells: Their Construction, Maintenance, and Characteristics

From Abstract: "This Monograph contains information on the construction, maintenance, and characteristics of standard cells. The effects of temperature, pressure, electric current, light, shock, and vibration on standard cells are discussed."
Date: January 15, 1965
Creator: Hamer, Walter J.
Object Type: Report
System: The UNT Digital Library
Investigation of the Hydraulics of Horizontal Drains in Plumbing Systems (open access)

Investigation of the Hydraulics of Horizontal Drains in Plumbing Systems

From introduction: "In this paper, data obtained by Hunter and by the author are reported from laboratory investigations of (1) surge flow introduced into empty simply drains, (2) attenuation of surges in simple drains, (3) continuous full-section flow in simple drains under substantially steady, uniform conditions, (4) steady flow in compound drains, and (5) surge flow introduced through a branch drain into the side or top of a main drain carrying steady flow."
Date: December 18, 1964
Creator: Wyly, Robert S.
Object Type: Report
System: The UNT Digital Library
Heat Treatment and Properties of Iron and Steel (open access)

Heat Treatment and Properties of Iron and Steel

From Abstract: "This Monograph is a revision of the previous NBS Monograph 18. Its purpose is to provide an understanding of the heat treatment of iron and steels, principally to those unacquainted with this subject. The basic principles involved in the heat treatment of these materials are presented in simple form." From Introduction: "This Monograph has been prepared to answer such inquires and to give in simplified form a working knowledge of the basic theoretical and practical principles involved in the heat treatment of iron and steel."
Date: November 1, 1966
Creator: Digges, Thomas G.; Rosenberg, Samuel J. & Geil, Glenn W.
Object Type: Report
System: The UNT Digital Library
Effects of Thermal Shrinkage on Built-up Roofing (open access)

Effects of Thermal Shrinkage on Built-up Roofing

From Introduction: "The object of this research was to identify and study some of the factors involved in premature failures and to relate the pertinent factors to roof performance."
Date: March 4, 1965
Creator: Cullen, William C.
Object Type: Report
System: The UNT Digital Library
A Method for the Dynamic Determination of the Elastic, Dielectric, and Piezoelectric Constants of Quartz (open access)

A Method for the Dynamic Determination of the Elastic, Dielectric, and Piezoelectric Constants of Quartz

From Abstract: "Several dynamic determinations have been made of the constants of quartz. Most of these determinations do not take into account the piezoelectric effect; those that do, suffer from certain deficiencies which are discussed in this paper."
Date: June 1, 1960
Creator: Basri, Saul A.
Object Type: Report
System: The UNT Digital Library
Spot Diagrams for the Prediction of Lens Performance From Design Data (open access)

Spot Diagrams for the Prediction of Lens Performance From Design Data

From Abstract: "This Monograph presents an outline of the methods used at the National Bureau of Standards to predict the performance of lenses from an analysis of their designs. The technique is based on the use of spot diagrams, which are analogs of star image tests, and makes extensive use of high-speed digital computers."
Date: September 7, 1965
Creator: Stavroudis, Orestes N. & Sutton, Loyd E.
Object Type: Report
System: The UNT Digital Library
Thermocouple Materials (open access)

Thermocouple Materials

From Introduction: "The purpose of this paper is to present information on materials that are used from 0 degrees C up in thermocouples intended primarily as immersed temperature sensors, and to give so far as is practical properties of these materials that might affect their use in temperature measurement."
Date: March 1, 1962
Creator: Caldwell, F. R.
Object Type: Report
System: The UNT Digital Library
Structure Shielding Against Fallout Radiation From Nuclear Weapons (open access)

Structure Shielding Against Fallout Radiation From Nuclear Weapons

From Purpose: "This Monograph is to assist scientists and engineers in the solution of problems of protection from ionizing radiation, particularly radiation from fallout."
Date: June 1, 1962
Creator: Spencer, L. V.
Object Type: Report
System: The UNT Digital Library
Effect of Exposure Site on Weather Resistance of Porcelain Enamels Exposed for Three Years (open access)

Effect of Exposure Site on Weather Resistance of Porcelain Enamels Exposed for Three Years

From Introduction: "The present report describes the condition of all of the porcelain enamels after exposure for 3 yr."
Date: April 10, 1962
Creator: Moore, Dwight G. & Potter, Alan
Object Type: Report
System: The UNT Digital Library
Project FIST: Fault Isolation by Semi-automatic Techniques (open access)

Project FIST: Fault Isolation by Semi-automatic Techniques

From Abstract: "This report describes the hardware required and discusses practical ways in which the necessary circuitry can be built into prime equipment."
Date: September 17, 1964
Creator: Shapiro, Gustave; Laug, Owen B.; Rogers, George J. & Fulcomer, P. Michael, Jr.
Object Type: Report
System: The UNT Digital Library
Conductive Flooring for Hospital Operating Rooms (open access)

Conductive Flooring for Hospital Operating Rooms

Report issued by the Bureau of Standards over studies on the importance of conductive flooring in hospitals. Types of conductive flooring are compared, and tested. The methods and results are presented, and discussed. This report includes tables, illustrations, and photographs.
Date: March 21, 1960
Creator: Boone, Thomas H.; Hermach, Francis L.; MacArthur, Edgar H. & McAuliff, Rita C.
Object Type: Report
System: The UNT Digital Library
Investigation of the Exploding Wire Process as a Source for High Temperature Studies (open access)

Investigation of the Exploding Wire Process as a Source for High Temperature Studies

From Introduction: "It is the purpose of this monograph to bring together and report the results of numerous exploding wire experiments performed at the National Bureau of Standards over the past five years."
Date: November 1968
Creator: Cassidy, Esther C.; Abramowitz, Stanley & Beckett, Charles W.
Object Type: Report
System: The UNT Digital Library
Realistic Uncertainties and the Mass Measurement Process: An Illustrated Review (open access)

Realistic Uncertainties and the Mass Measurement Process: An Illustrated Review

From Abstract: "This paper gives a review of the concepts and operations involved in measuring the mass of an object. The importance of viewing measurement as a production process is emphasized and methods of evaluating process parameters are presented."
Date: August 15, 1967
Creator: Pontius, P. E. & Cameron, J. M.
Object Type: Report
System: The UNT Digital Library
Colorimetry (open access)

Colorimetry

"The definition of color, as a characteristics of light, and the basic principles of its measurement are given. The reduction of spectrophotometric data to three chromaticity coordinates by means of the three-function CIE standard observer system for colorimetry is described. Various methods of direct colorimetry, and visual and photoelectric methods of colorimetry by differences from material standards are treated" (p. 1).
Date: January 1968
Creator: Nimeroff, I.
Object Type: Report
System: The UNT Digital Library