...MACDONNELI., AND HE STAUSS 1924a The scattering of polarised X-rays by paraffin, Phys. Rev. (2) 23, 762 (abstract of a paper presented at the Washington meeting of the Physical Society, 25-26 April 1924, published in issue No. 6 of June 1924). 1924b The polarizing angle for X-rays scattered...

...factor for all temperatures but rather of the form /(T) we have for this type of pyrometer an equation 1 Abstract of a paper presented at the Washington meeting of the Physical Society, April 25 and 26, 1913, 1 "A Micropyrometer," GK Burgess, Bull. Bureau of Standards, g, 475, 1913; Jl....

...measurement of the resistances of a number of similar conductors connected in series, such for example 1 Abstract of a paper presented at the Washington meeting of the Physical Society, April 25 and 26, 1913. as the coils of a low resistance potentiometer. In such measurements it is not...

...stronger of the lines peculiar to the spark spectrum are given faintly by the high-temperature furnace. 1 Abstract of a paper presented at the Washington meeting of the Physical Society, November 28, 1914. In reference to changes in the spectrum with wave-length, lines farther in the ultra-violet...

...two methods are in close agreement. The values of A't for the coils used range from 5 to 30 cm. of 1 Abstract of a paper presented at the Washington meeting of the Physical Society, April 23-24, 1915. 1 PHYS. REV., NS, I., p. 247, March, 1913. 1 Loc. cit., p. 245. capacity. The distributed...

...calculated from the equation. The following is the notation used : /= the moment of inertia of the coil, 1 Abstract of a paper presented at the Washington meeting of the Physical Society, April 19-20, 1907. <f = the angular displacement of the coil, / = irae, ,3 = the torsional moment of...

...a universal constant. This hypothesis is substantiated, within the limit of experimental error, by 1 Abstract of a paper presented at the Washington meeting of the Physical Society. April 20-21, ig:6. No. 3. THE AMERICAN PHYSICAL SOCIETY. 327 Barkla's measurements. If we assume that...

...when they leave. It follows that for surfaces not too low (i) convective transfer is independent of 1 Abstract of a paper presented at the Washington meeting of the Physical Society, April 31, 1916. height, that is, the transfer per square cm. is inversely proportional to height, (2)...

...hand to the other, and to observe the maximum current, from a direct current source, that they were 1 Abstract of a paper presented at the Washington meeting of the Physical Society. April 24-25, 1914. willing to endure. Of course the resistance depends greatly on the character and...

...curves very much alike as will be seen from the following table for seven condensers. The capacities at 1 Abstract of a paper presented at the Washington meeting of the Physical Society, April 23, 1904. the different charging periods are all referred to the capacity at 10 seconds charge...