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Plate II.
COMET
EB1911 - Comet Fig. 3.—Halley’s Comet, 1910.jpg
Fig. 3.—HALLEY’S COMET, 1910, APRIL 27.

By permission of Helwân Observatory, Egypt.

EB1911 - Comet Fig. 4.—Halley’s Comet, 1910.jpg
Fig. 4.—HALLEY’S COMET, 1910, MAY 4.

By permission of Yerkes Observatory (E. E. Barnard).