Circular of the Bureau of Standards, Masalah 24U.S. Government Printing Office, 1925 |
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Halaman 11
... Pressure Gas Thermometer ........ Edgar Buckingham A discussion of the methods for finding the thermodynamic corrections of the gas thermometer , together with computations of these corrections for the nitrogen thermometer and ...
... Pressure Gas Thermometer ........ Edgar Buckingham A discussion of the methods for finding the thermodynamic corrections of the gas thermometer , together with computations of these corrections for the nitrogen thermometer and ...
Halaman 23
... pressure on the capacity is small , but not always negligible ; ( 3 ) the capacity is independent of the voltage except in the case of silvered - mica condensers ; ( 4 ) the capacity of a mica condenser kept at constant temperature and ...
... pressure on the capacity is small , but not always negligible ; ( 3 ) the capacity is independent of the voltage except in the case of silvered - mica condensers ; ( 4 ) the capacity of a mica condenser kept at constant temperature and ...
Halaman 25
... Pressure ... ... P . G. Nutting and Orin Tugman The intensities of spectrum lines are known to vary widely with the con- dition of the gas or vapor emitting them . This paper contains the results of a study of the visible spectra of ...
... Pressure ... ... P . G. Nutting and Orin Tugman The intensities of spectrum lines are known to vary widely with the con- dition of the gas or vapor emitting them . This paper contains the results of a study of the visible spectra of ...
Halaman 35
... Pressure of Air . . . . ..... I . G. Priest In the interference method for expansion coefficients a correction must be applied to the observed change in the order of interference , to take account of any change in the density of the air ...
... Pressure of Air . . . . ..... I . G. Priest In the interference method for expansion coefficients a correction must be applied to the observed change in the order of interference , to take account of any change in the density of the air ...
Halaman 37
... pressure . In this case special precautions were necessary to avoid smoke , which causes low pyro- meter readings . One method consisted of inserting into the material to be melted a tube of tungsten or graphite , removing smoke from ...
... pressure . In this case special precautions were necessary to avoid smoke , which causes low pyro- meter readings . One method consisted of inserting into the material to be melted a tube of tungsten or graphite , removing smoke from ...
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15 cents absorption acid alloys alternating current ammonia annual antenna apparatus brick Bureau of Standards calorimeter carbon cells cement CHIG circuit circular clays coils color commercial committee concrete conference construction contains copper curves described determined discussed effect electrical electrical insulating electrolytic electromotive force Elimination of Waste-Simplified experimental Federal Specifications Board formulas frequency galvanometer given Government Master Specification inductance coils instruments insulating investigation iron laboratory lamps lime linseed oil magnetic manufacturers materials metal method molybdenite mutual inductance obtained oxide paint plates platinum Portland cement Practice Recommendation Price properties pyrometer quicklime radiation radio resistance samples scale Screw Thread self-inductance simplified practice specification was officially specification was prepared spectral spectrum steel tables temperature tests thermal expansion thermometers tion tube tungsten United States Government UNIVE UNIVE vapor various voltage W. W. Coblentz Waste-Simplified Practice wave lengths weights and measures wire
Bagian yang populer
Halaman 127 - AA Klein) Constitution and microstructure of silica brick and changes involved through repeated burnings at high temperatures, US Bur.
Halaman 209 - Accordingly, a general conference was held under the auspices of the Division of Simplified Practice, National Bureau of Standards...
Halaman 204 - Spinners have appointed a joint committee ; the National Association of Cotton Manufacturers and the American Cotton Manufacturers...
Halaman 113 - Special Studies in Electrolysis Mitigation. IV. A Preliminary Report on Electrolysis Mitigation in Elyria, Ohio, with Recommendations for Mitigation Burton McCollum and KH Logan From data furnished by the city and the Cleveland Southwestern & Columbus Railway Co.
Halaman 42 - At all stations the logarithmic decrement per complete oscillation in the wave trains emitted by the transmitter shall not exceed two-tenths, except when sending distress signals or signals and messages relating thereto. USE OF STANDARD DISTRESS WAVE Fifth.
Halaman 174 - Prosecutions for offenses under this Act may be begun upon complaint of local sealers of weights and measures, or other officers of the several States and Territories appointed to enforce the laws of the said States...
Halaman 195 - March 31, 1931, for the use of the departments and independent establishments of the Government in the purchase of this...
Halaman 173 - That reasonable variations shall be permitted and tolerance shall be established by rules and regulations made by the Director of the Bureau of Standards and approved by the Secretary of Commerce.
Halaman 20 - Burrows 1 1 8. A Method for Constructing the Natural Scale of Pure Color . . PG Nutting 119. An Approximate Method for the Analysis of EMF. Waves . . PG Agnew 1 20. The Thermoelectric Properties of Tantalum and Tungsten . W . W . Coblentz 121.
Halaman 22 - Ives 126. Coupled Currents in which the Secondary has Distributed Inductance and Capacity Louis Cohen 127. Effect of Phase of Harmonics upon Acoustic Quality .... MG Lloyd and PG Agnew 128.