474 DECEMBER 28, 1907. until the 18th. The arrow b shows the di- THE TOTAL ECLIPSE OF THE SUN IN … lamp and spectacle glasses. Now, the rays ed by the dotted line is below. An edge most readily absorbed will penetrate into view of these planes, looking in the direc- tion of the arrow B, is shown by the in- B the human organism to the smallest depth tersecting lines. (Fig. 2.) The line of only.…
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