Circular of the Bureau of Standards, Masalah 24U.S. Government Printing Office, 1925 |
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Halaman 15
... sensitivity and relative advantages of the bolometer , radiomicrometer , radiometer , and thermopile , with a review of published data relating to these instruments and to galvanometers of high sensitivity . ( Oct. 1 , 1907. ) 70 pp ...
... sensitivity and relative advantages of the bolometer , radiomicrometer , radiometer , and thermopile , with a review of published data relating to these instruments and to galvanometers of high sensitivity . ( Oct. 1 , 1907. ) 70 pp ...
Halaman 41
... sensitivity of a thermopile as a function of the area exposed , the thermal conductivity and emissivity ; also as a function of the external and internal resistance . Data are also given on the relative sensitivities of thermopiles of ...
... sensitivity of a thermopile as a function of the area exposed , the thermal conductivity and emissivity ; also as a function of the external and internal resistance . Data are also given on the relative sensitivities of thermopiles of ...
Halaman 47
... sensitivity of the radiometer , which includes both galvanometer and thermopile . The effect produced by varying the width and the thickness of the strip was investigated and the loss of energy was found to be satisfactory for refined ...
... sensitivity of the radiometer , which includes both galvanometer and thermopile . The effect produced by varying the width and the thickness of the strip was investigated and the loss of energy was found to be satisfactory for refined ...
Halaman 50
... ( sensitivity , period , etc. ) with which the user of the galvanometer is concerned and the intrinsic or construction constants with which the designer and builder of the galva- nometer are concerned are given . These relations are then ...
... ( sensitivity , period , etc. ) with which the user of the galvanometer is concerned and the intrinsic or construction constants with which the designer and builder of the galva- nometer are concerned are given . These relations are then ...
Halaman 52
... Sensitivity and Magnetic Shielding Tests of a Thomson Galvanometer for use in Radiom- etry ... .W . W. Coblentz In this paper are given the results of an investigation of the force exerted by various galvanometer coils when operated ...
... Sensitivity and Magnetic Shielding Tests of a Thomson Galvanometer for use in Radiom- etry ... .W . W. Coblentz In this paper are given the results of an investigation of the force exerted by various galvanometer coils when operated ...
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Istilah dan frasa umum
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
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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.