This is a preview. Log in through your library . Abstract The first section of this paper is an account of some experiments on the absorption of light in sodium vapour from the series limit at 2412 Å ...
I HAVE investigated the absorption of iodine vapour in a tube of 26 cm. length at temperatures above 800° C. over the region 2900–5000 A. and have observed the appearance of a continuous absorption ...
WITH the continuous spectrum described by Lyman (Astrophysical Jour., 60, 1) as a background, and with hydrogen flowing through the receiver of the spectrograph, it was found possible to photograph ...
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