A. Lange & Söhne Grand Lange 1 Moon Phase
The focus is on the earth’s companion in the A. Lange & Söhne Grand Lange 1 Moon Phase. The waxing and waning of the moon can be contemplated in rich detail inside the hour and minute circle. A similar objective was pursued by Cellarius with his rendition of the epicycle theory, which was endorsed until the 17th century. It suggests that the moon moves on small circular orbits (epicycles), which in turn progress around the earth along eccentric paths.
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