Evidently common enough to be in schoolrooms, this one in Germany.
An orrery, ca 1900. The arm is manually rotated by worm and wheel below a circular calendar disc printed with months, date, zodiac and seasons. The candle reflects light over the wood moon onto the terrestrial globe. signed 'Erd Globus v. 15cm. durchm. von Dr. H. Fischer Wagner & Debes, Leipzig Lehrmittelanstalt' 19in / 48.5cm high
Compared to William Pearson's orrery design below of the whole solar system, this schoolroom orrery is just the sun, the earth and the moon. It must have been magical.
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