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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
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
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
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
[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
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: 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
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
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
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
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
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