Bras armillary sphere made by Adam Heroldt of Rome in 1648.

 
Bras armillary sphere made by Adam Heroldt of Rome in 1648.
4 0 c m
 
31cm
actual image size: 23cm x 32cm

Description

The solar system model was used to demonstrate the motions of the Sun, stars and planets around the Earth. This Earth-centred model for the universe was called the Ptolemaic system after Ptolemy, an ancient Egyptian astronomer. Inscribed on the antarctic circle is 'ADAM HEROLD FECIT ROMae ANNO DNI MDC111'. The earth is represented at the centre by a sphere of green malachite. Rotating circles represent the Sun and Moon. Overall height is approximatly 12 inches with a diameter of 6 inches.

Image Details

Image Ref.
 
10412006

© Science Museum / Science & Society Picture Library

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