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[Title page of Le journal des scavans, with armillary sphere]

description

Summary

Title page in: Le journal des scavans. Amsterdam : Pierre le Grand 1665.

Published in: The tradition of science / Leonard C. Bruno. Washington, D.C. : Library of Congress, 1987, p. 19.

An armillary sphere is a model of the celestial sphere used to demonstrate the motions of the planets around the Sun. It consists of a set of rings representing the celestial equator, the ecliptic and other important circles on the celestial sphere, mounted on an axis. The rings can be rotated to show the positions of the stars and planets at different times and dates. Armillary spheres were used by ancient astronomers to study the movements of the heavens and are still used today as decorative objects or educational tools. Armillary spheres were first developed by ancient Greek astronomers, including Hipparchus and Ptolemy, in the 2nd century BC. They were later used by Chinese, Persian and Islamic astronomers. During the Renaissance, armillary spheres became popular with European scientists and were often incorporated into astronomical instruments and globes. Today, armillary spheres can be found in museums, observatories and private collections around the world. Some modern versions incorporate electronic sensors and motors to automate the movement of the rings.

label_outline

Tags

periodicals astronomy periodical illustrations title page title page scavans des scavans armillary sphere 1665 armillary sphere rare books engraving book illustrations
date_range

Date

01/01/1665
collections

in collections

Armillary sphere

Model of objects in the sky consisting of a spherical framework of rings centred on the Earth or the Sun, representing lines of celestial longitude and latitude and other astronomically important features such as the ecliptic.
create

Source

Library of Congress
link

Link

http://www.loc.gov/
copyright

Copyright info

No known restrictions on publication.

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Dish with IHS monogram, armillary sphere, and Portuguese royal arms

Dish with IHS monogram, armillary sphere, and Portuguese royal arms

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Topics

periodicals astronomy periodical illustrations title page title page scavans des scavans armillary sphere 1665 armillary sphere rare books engraving book illustrations