Johann Hommel
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Johann Hommel (1518–1562) was a German astronomer and mathematician.
In 1552 or 1553, Richard Cantzlar introduced transversal dot lines in graduations. It was a variant of the zigzag line system introduced by Hommel. Tycho Brahe obtained the zigzag line system from Hommel.
The crater Hommel on the Moon is named after him.
[edit] Sources
- (English) [arxiv.org/pdf/astro-ph/9902030 Observatories]
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