* Astronomy

Oldest Astronomical Instruments Discovered in China A few pieces of "lacquerware of unknown names" unearthed 35 years ago from a tomb of the Western Han Dynasty in Fuyang City, Anhui Province, are found to be a gnomon with template and an equatorial device for the positional measureme...

Title: The astrometric recognition of the solar Clementine gnomon (1702) Authors: Costantino Sigismondi The Clementine gnomon has been built in 1702 to measure the Earth's obliquity variation. For this reason the pinhole was located in the walls of Diocletian's times (305 a. D.) in order to rema...

	Forum	Replies	Views	Last Post
Gnomon Han Dynasty gnomon (Preview)	Telescopes	0	1470	May 9 01:58 2012 by Blobrana
Oldest Astronomical Instruments Discovered in China A few pieces of "lacquerware of unknown names" unearthed 35 years ago from a tomb of the Western Han Dynasty in Fuyang City, Anhui Province, are found to be a gnomon with template and an equatorial device for the positional measureme...
Gnomon Clementine Gnomon (Preview)	Observatories	0	629	Feb 7 16:02 2012 by Blobrana
Title: The astrometric recognition of the solar Clementine gnomon (1702) Authors: Costantino Sigismondi The Clementine gnomon has been built in 1702 to measure the Earth's obliquity variation. For this reason the pinhole was located in the walls of Diocletian's times (305 a. D.) in order to rema...