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  Partner: UNT Libraries Government Documents Department
 Decade: 1940-1949
 Serial/Series Title: National Bureau of Standards Reports
 Collection: Technical Report Archive and Image Library
Automotive Antifreezes

Automotive Antifreezes

Date: November 10, 1948
Creator: Brooks, Donald B.
Description: From abstract: "A report on when antifreeze should be installed, what strength should be used, and what kind of antifreeze is best suited to the service involved."
Contributing Partner: UNT Libraries Government Documents Department
Bending Moment Due to Wind Pressure on Pole Chart 2A

Bending Moment Due to Wind Pressure on Pole Chart 2A

Date: August 7, 1944
Creator: United States. National Bureau of Standards.
Description: Chart showing bending moment due to wind pressure on poles for various pole heights, circumferences, and loading. It is enlarged from figures in NBS discussion of national electrical safety code (handbook H39).
Contributing Partner: UNT Libraries Government Documents Department
Catenary Chart 3

Catenary Chart 3

Date: August 7, 1944
Creator: United States. National Bureau of Standards.
Description: Chart of catenary curve ordinates: "The curve gives approximate values of sag at all points on the catenary curve expressed in per cent of the center sag. The error is negligible for all spans in which the center sag is less than 10% of the span length." It is enlarged from figures in NBS discussion of national electrical safety code (handbook H39).
Contributing Partner: UNT Libraries Government Documents Department
[Charts for Various Aspects of Poles]

[Charts for Various Aspects of Poles]

Date: August 7, 1944
Creator: United States. National Bureau of Standards.
Description: Chart 1A-1B. Conductor loading nomograph, Chart 2A. Bending moment due to wind pressure on pole, Chart 2B. Ultimate resisting moments of wood poles, Chart 3. Catenary curve.
Contributing Partner: UNT Libraries Government Documents Department
Charts of Compressibility Factors and Charts Showing Quantities Delivered by Commercial Cylinders for Hydrogen, Nitrogen, and Oxygen

Charts of Compressibility Factors and Charts Showing Quantities Delivered by Commercial Cylinders for Hydrogen, Nitrogen, and Oxygen

Date: November 17, 1948
Creator: Hoge, Harold J.
Description: Two charts are given for each of the gases hydrogen, nitrogen, and oxygen. The first gives directly the number of standard cubic feet of the gas which a cylinder will deliver. The second chart gives values of the compressibility factor and of the density.
Contributing Partner: UNT Libraries Government Documents Department
Conductor Loading Nomograph Chart 1B

Conductor Loading Nomograph Chart 1B

Date: August 7, 1944
Creator: United States. National Bureau of Standards.
Description: Chart related to conductor loading showing vertical, transverse and conductor loads in pounds per linear feet of conductor. It is enlarged from figures in NBS discussion of national electrical safety code (handbook H39).
Contributing Partner: UNT Libraries Government Documents Department
Guide Chart for Carbon Brush Terminals (Electric)

Guide Chart for Carbon Brush Terminals (Electric)

Date: June 1, 1945
Creator: United States. Bureau of Standards.
Description: Diagrams and tolerances in inches for different size terminals.
Contributing Partner: UNT Libraries Government Documents Department
High-Frequency Voltage Measurement

High-Frequency Voltage Measurement

Date: September 1, 1949
Creator: Selby, Myron C.
Description: Fundamental principles and techniques used for voltage measurements primarily for frequencies in the upper audio- and radio-frequency ranges and including part of the ultrahigh frequency range.
Contributing Partner: UNT Libraries Government Documents Department
Map of Standard Time Zones of the United States and Adjacent Parts of Canada and Mexico as of January 1, 1948

Map of Standard Time Zones of the United States and Adjacent Parts of Canada and Mexico as of January 1, 1948

Date: January 1, 1948
Creator: Geological Survey (U.S.)
Description: Map of the United States and surrounding areas with time zones marked and labeled in red. Bodies of water are marked, with depth marked by hatchures, as well as state lines and major cities..
Contributing Partner: UNT Libraries Government Documents Department
Report of the Twenty-Ninth National Conference on Weights and Measures, 1939

Report of the Twenty-Ninth National Conference on Weights and Measures, 1939

Date: 1940
Creator: United States. National Bureau of Standards.
Description: Report of the annual conference on weights and measures, hosted by the U.S. National Bureau of Standards in Washington D.C. It includes conference proceedings, a list of attendees, information about committees and officers, and other reports or commentaries discussed at the meetings.
Contributing Partner: UNT Libraries Government Documents Department
Report of the Thirtieth National Conference on Weights and Measures, 1940

Report of the Thirtieth National Conference on Weights and Measures, 1940

Date: 1941
Creator: United States. National Bureau of Standards.
Description: Report of the annual conference on weights and measures, hosted by the U.S. National Bureau of Standards in Washington D.C. It includes conference proceedings, a list of attendees, information about committees and officers, and other reports or commentaries discussed at the meetings.
Contributing Partner: UNT Libraries Government Documents Department
Report of the Thirty-First National Conference on Weights and Measures, 1941

Report of the Thirty-First National Conference on Weights and Measures, 1941

Date: 1941
Creator: United States. National Bureau of Standards.
Description: Report of the annual conference on weights and measures, hosted by the U.S. National Bureau of Standards in Washington D.C. It includes conference proceedings, a list of attendees, information about committees and officers, and other reports or commentaries discussed at the meetings.
Contributing Partner: UNT Libraries Government Documents Department
Report of the Thirty-Second National Conference on Weights and Measures, 1946

Report of the Thirty-Second National Conference on Weights and Measures, 1946

Date: 1947
Creator: United States. National Bureau of Standards.
Description: Report of the annual conference on weights and measures, hosted by the U.S. National Bureau of Standards in Washington D.C. It includes conference proceedings, a list of attendees, information about committees and officers, and other reports or commentaries discussed at the meetings.
Contributing Partner: UNT Libraries Government Documents Department
Report of the Thirty-Third National Conference on Weights and Measures, 1947

Report of the Thirty-Third National Conference on Weights and Measures, 1947

Date: September 1948
Creator: United States. National Bureau of Standards.
Description: Report of the annual conference on weights and measures, hosted by the U.S. National Bureau of Standards in Washington D.C. It includes conference proceedings, a list of attendees, information about committees and officers, and other reports or commentaries discussed at the meetings.
Contributing Partner: UNT Libraries Government Documents Department
National electrical safety code: grounding rules and parts 1, 2, 3, 4, and 5

National electrical safety code: grounding rules and parts 1, 2, 3, 4, and 5

Date: March 1948
Creator: unknown
Description: A report on the national electrical safety code.
Contributing Partner: UNT Libraries Government Documents Department
Nomograms for Obtaining the Compound Composition of Hydrated Limes from the Oxide Analysis

Nomograms for Obtaining the Compound Composition of Hydrated Limes from the Oxide Analysis

Date: December 30, 1949
Creator: Levin, Ernest M.
Description: Report with two nomograms presented for rapidly obtaining the compound composition of hydrated limes from the oxide analysis. The general nomogram can be applied to any commercial hydrated lime and gives values accurate to within 0.3 percent while the special nomogram is applicable only to regularly hydrated and highly hydrated dolomitic limes and is accurate to within 0.1 percent.
Contributing Partner: UNT Libraries Government Documents Department
Safety Rules for the Installation and Maintenance of Electric Supply and Communication Lines: Comprising Part 2 and the Grounding Rules of the Fifth Edition, National Electrical Safety Code

Safety Rules for the Installation and Maintenance of Electric Supply and Communication Lines: Comprising Part 2 and the Grounding Rules of the Fifth Edition, National Electrical Safety Code

Date: September 23, 1941
Creator: unknown
Description: A report on the safety rules for the installation and maintenance of electric supply and communication lines.
Contributing Partner: UNT Libraries Government Documents Department
Sound Insulation of Wall and Floor Constructions

Sound Insulation of Wall and Floor Constructions

Date: 1940
Creator: United States. National Bureau of Standards.
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Table and Mollier chart for ammonia below -60° F

Table and Mollier chart for ammonia below -60° F

Date: November 1, 1948
Creator: Meyers, Cyril H.
Description: A report containing a table and Mollier chart for ammonia below -60° F.
Contributing Partner: UNT Libraries Government Documents Department
Tables of the confluent hypergeometric function F(n/2, 1/2; x) and related functions

Tables of the confluent hypergeometric function F(n/2, 1/2; x) and related functions

Date: 1949
Creator: United States. National Bureau of Standards. Computation Laboratory.
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Ultimate Resisting Moments of Wood Poles Chart 2B

Ultimate Resisting Moments of Wood Poles Chart 2B

Date: August 7, 1944
Creator: United States. National Bureau of Standards.
Description: Chart showing the ultimate resisting moments of wood poles based on the circumferences at ground line for different kinds of woods. It is enlarged from figures in NBS discussion of national electrical safety code (handbook H39).
Contributing Partner: UNT Libraries Government Documents Department