Helium Research Center internal report

recalibration of Leeds & Northrup Company G-2 Mueller bridge, serial no. 1603629 and redetermination of the ice point resistance of Leeds & Northrup Company platinum resistance thermometer, serial no. 1586182

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October 2, 2019 | History

Helium Research Center internal report

recalibration of Leeds & Northrup Company G-2 Mueller bridge, serial no. 1603629 and redetermination of the ice point resistance of Leeds & Northrup Company platinum resistance thermometer, serial no. 1586182

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An internally consistent Mueller bridge and a reliable value of the ice point resistance are required for the accurate determination of temperatures with a platinum resistance thermometer. The decade steps of Mueller bridge, serial No. 1603629 were intercompared and the resistance of a standard resistor was measured. The triple point resistance of platinum resistance thermometer, serial No. 1586182 was measured in a commercial triple point of water cell. From these measurements, corrections for each dial reading of the bridge were tabulated, and the ice point resistance of the platinum resistance thermometer was computed.

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Previews available in: English

Edition Availability
Cover of: Helium Research Center internal report
Cover of: Helium Research Center internal report
Cover of: Helium Research Center internal report
Cover of: Helium Research Center internal report
Helium Research Center internal report: compressibility data for helium at 0℗ʻ C and pressures to 800 atmospheres
1969, U.S. Department of the Interior, Bureau of Mines, Branch of Fundamental Research
in English
Cover of: Helium Research Center internal report
Cover of: Helium Research Center internal report
Helium Research Center internal report: compressibility data for helium at 0℗ʻ C and pressures to 800 atmospheres
1966, U.S. Department of the Interior, Bureau of Mines, Branch of Fundamental Research
in English
Cover of: Helium Research Center internal report
Helium Research Center internal report: elastic distortion of the high pressure compressibility bombs at 30℗ʻC
1965, U.S. Department of the Interior, Bureau of Mines, Branch of Fundamental Research
in English
Cover of: Helium Research Center internal report
Helium Research Center internal report: measurement of atmospheric pressure with Fortin barometer, serial no. 13346
1965, U.S. Department of the Interior, Bureau of Mines, Branch of Fundamental Research
in English
Cover of: Helium Research Center internal report
Helium Research Center internal report: pressure measurement with Ruska Instrument Corporation piston gage, serial no. 9274
1964, U.S. Department of the Interior, Bureau of Mines, Fundamental Research Branch
in English

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Book Details


Edition Notes

"January 1970."

"Fundamental Research Branch, Project 7005."

Includes bibliographical references.

Also available online via Internet Archive.

Published in
Amarillo, Tex
Series
Helium Research Center Internal Report / U.S. Department of the Interior, Bureau of Mines -- no. 128, Helium Research Center Internal Report (United States. Bureau of Mines) -- no. 128.
Other Titles
Bureau of Mines, Helium Activity, Helium Research Center Internal Report, Recalibration of Leeds and Northrup Company G-2 Mueller bridge, serial number 1603629 and redetermination of the ice point resistance of Leeds and Northrup Company platinum resistance thermometer, serial number 1586182

The Physical Object

Pagination
26 leaves
Number of pages
26

ID Numbers

Open Library
OL27588695M
Internet Archive
heliumresearchce00brig_10
OCLC/WorldCat
1119392203

Source records

Internet Archive item record

Work Description

Twenty-two compressibility runs were made with helium over the temperature range -5℗ʻ to 80 ℗ʻ Celsius and at pressures to 800 atmospheres. A Burnett apparatus was used. Data from the runs were fitted to a fourth degree polynomial equation in the pressure and weighting factor of Pŕ℗đ/́þ was used. All data for a particular isotherm were treated simultaneously.

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