Supplement to the Fourth, Fifth, and Sixth Editions of the Encyclopædia Britannica/Astronomy, Practical

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Supplement to the Fourth, Fifth, and Sixth Editions of the Encyclopædia Britannica, Volume First

Astronomy, Practical

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4319250Supplement to the Fourth, Fifth, and Sixth Editions of the Encyclopædia Britannica, Volume First — Astronomy, Practical

ASTRONOMY, PRACTICAL. See the article Observatory, in this Supplement.

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