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Citation

Alternate Title(s): Calendarium
Author: Regiomontanus
Publication Location: Venice
Year: 1476

Item Location

Summary

In this book, Regiomontanus predicted the positions of the Sun and Moon for 40 years. He designed a sundial to work independently of one’s latitude, and a volvelle, or circular dial, to locate the position and phase of the Moon according to date and time. Books became observing instruments in their own right.

Related Items

Theme(s): Astronomy, Scientific Instruments, History of the Book, Geography
Chronological Period: 15th century
Geographical Region(s): Europe, Italy, Germany
Resource Type: Book