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Astronomy; a popular handbook (1913)
Jacoby, Harold, 1865-1932 · New York, The Macmillan company · leaf 86
ASTRONOMY … Fig. 20. Leo, with Regulus. Fig. 21. Scorpius, with Antares. Fig. 22. Orion, with Rigel and Betelgeuse. 62Astronomy
Internet Archive · The Library of Congress · Public domain (published before 1931). Free to use for anything.
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