Circular of the Bureau of Standards, Masalah 24U.S. Government Printing Office, 1925 |
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Halaman 25
... manufacturers was 100.07 per cent . A mean communicated by a large wire - manufacturing company of careful tests representing over 100 000 000 pounds of wire was 100.25 per cent . It is therefore proposed that the formerly assumed stand ...
... manufacturers was 100.07 per cent . A mean communicated by a large wire - manufacturing company of careful tests representing over 100 000 000 pounds of wire was 100.25 per cent . It is therefore proposed that the formerly assumed stand ...
Halaman 97
... manufacturers . The variation in performance of the lenses investigated is discussed . ( Oct. 16 , 1924. ) 54 pp . Price , 20 cents . S495 . A Radiometric Investigation of the Germicidal Action of Ultra - Violet Radiation ... W. W. ...
... manufacturers . The variation in performance of the lenses investigated is discussed . ( Oct. 16 , 1924. ) 54 pp . Price , 20 cents . S495 . A Radiometric Investigation of the Germicidal Action of Ultra - Violet Radiation ... W. W. ...
Halaman 103
... manufacture of fire brick . These samples included fire - clay brick , bauxite brick , silica brick , mag- nesia brick , chromite brick , kaolin , pure alumina , pure silica , bauxite , bauxite clay , and chromite . The materials were ...
... manufacture of fire brick . These samples included fire - clay brick , bauxite brick , silica brick , mag- nesia brick , chromite brick , kaolin , pure alumina , pure silica , bauxite , bauxite clay , and chromite . The materials were ...
Halaman 104
... Manufacture of Lime ... ..W . E. Emley An account of the methods of lime manufacture at various plants , in- cluding a description of the plants . ( Jan. 1 , 1913. ) 130 pp . Price , 25 cents . T17 . The Function of Time in the ...
... Manufacture of Lime ... ..W . E. Emley An account of the methods of lime manufacture at various plants , in- cluding a description of the plants . ( Jan. 1 , 1913. ) 130 pp . Price , 25 cents . T17 . The Function of Time in the ...
Halaman 110
... manufacture of tile to be exposed in concentrated alkali soils . No further conclusions can be drawn until additional results are available . ( July 22 , 1915. ) 56 pp . [ Superseded by T95 . ] T45 . A Study of Some Recent Methods for ...
... manufacture of tile to be exposed in concentrated alkali soils . No further conclusions can be drawn until additional results are available . ( July 22 , 1915. ) 56 pp . [ Superseded by T95 . ] T45 . A Study of Some Recent Methods for ...
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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 condensers 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 magnetic manufacturers materials metal method molybdenite mutual inductance obtained oxide paint plates platinum Portland cement potentiometer Practice Recommendation Price properties pyrometer quicklime radiation radio resistance samples scale Screw Thread self-inductance shown simplified practice specification was officially specification was prepared spectral spectrum steel tables temperature tests thermal expansion thermometers tion tube tungsten United States Government UNIV 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.