ASTRONOMY – Two gelatin silver print photographs, of Halley's comet and of the Milky Way, early 20th century.

1. "Halley's Comet, May 12 and 15, 1910, 2 1/4-inch 1c Tessar." Mount Wilson Observatory printed label on verso. 8 x 10 inches. Matted.
2. The Milky Way, depicting the Aquila and Scutum constellations, French manuscript caption on the verso. 9 x 11.5 inches. (Corner crease.)

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