From Landulph and the following year started to make his own astronomical calculations, predictions and observations, engaging in private tutoring to finance his activities
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From Landulph and the following year started to make his own astronomical calculations, predictions and observations, engaging in private tutoring to finance his activities
Text from Wikipedia, available under CC BY-SA 4.0.
Captured 2026-08-17 from Wikipedia. The archived copy is preserved so this citation survives link rot.