[Scientific papers 469-497 are included in this volume. Each paper is also published separately in advance.]
Notes:
[Scientific papers 469-497 are included in this volume. Each paper is also published separately in advance.] * For Sale by Superintendent of Documents. Cloth, $2.00.
Notes:
CONTENTS.—Directive radio transmission on wave length of 10 meters; by Francis W. Dunmore and Francis H. Engel.—Method for accurate measurement of shorttime intervals; by Harvey L. Curtis and Robert C. Duncan.—Methods of measurement of properties of electrical insulating materials; by J. H. Dellinger and J. L. Preston.—Alternating-current resistance and inductance of single-layer coils; by C. N. Hickman.—Method for measurement of sound intensity; by J. C. Karcher.— Series in are spectrum of molybdenum; by C. C, Kiess.—Visibility of radiant energy [with bibliography]; by K. S. Gibson and E. P. T. Tyndall.—Study of radio signal fading; by J. H. Dellinger, L. E. Whittemore, and S. Kruse.—Spectroradiometric analysis of radio signals; by Chester Snow.—Redetermination of secondary standards of wave length from new international iron arc; by W. F. Meggers, C. C. Kiess, and Keivin Burns.—Interferometer measurements of longer waves in iron arc spectrum; by W. F. Meggers and C. C. Kiess.—Directive type of radio beacon and its application to navigation; by F. H. Engel and F. W. Dunmore.—Measurement of low resistance by means of Wheatstone bridge; by Frank Wenner and Alva Smith.— Gravitational anisotropy in crystals; by Paul R. Heyl.—Investigations on platinum metals: 4, Determination of iridium in platinum alloys by method of fusion with lead; by Raleigh Gilchrist.—Preparation and properties of pure iron alloys: 4, Determination of critical ranges of pure iron-carbon alloys by thermoelectric method; by J. F. T. Berliner.—Application of interferometer to measurements of thermal dilation of ceramic materials; by George E. Merritt.—Some new thermoelectrical and actinoelectrical properties of molybdenite; by W. W. Coblentz.—Quantitative study of regeneration by inductive feed back; by C. B. Jolliffe and J. A. Rodman.—Thermal expansion of molybdenum; by Peter Hidnert and W. B. Gero.—Primary radio-frequency standardization by use of cathode-ray oscillograph; by Grace Hazen and Frieda Kenyon.—Spectra and critical potentials of 5th group elements; by Arthur E. Ruark, F. L. Mohler, Paul D. Foote, and R. L. Chenault.—Theory of determination of ultraradio frequencies by standing waves on wires; by August Hund.—Formulas, tables, and curves for computing mutual inductance of 2 coaxial circles; by Harvey L. Curtis and C. Matilda Sparks.—Ultra-violet reflecting power of some metals and sulphides; by W. W. Coblentz and C. W. Hughes.—Aberrations of long focus anastigmatic photographic objectives; by A. H. Bennett.—Radiometric investigation of germicidal action of ultra-violet radiation; by W. W. Coblentz and H. R. Fulton.—Effect of stress on magnetic properties of steel wire; by R. L. Sanford.—Thermal expansion of aluminum and various important aluminum alloys; by Peter Hidnert.—Index.
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* For Sale by Superintendent of Documents. Cloth, $2.00.