Miniature Nautical Astrolabe - Desk Model Scientific Wonderfully fashioned a brass with

Wonderfully fashioned a brass with lace-work closure this compass may be worn around the neck or attached pocket piece

But in 1838 Sir Charles Wheatstone addressed the Royal Society in London to present several pairs of line drawings with geometrical form which when viewed by an instrument very similar to this gave the impression of three dimensions

educate and entertain

The Nocturnal is available in a larger desk model miniature desk version

Set for 22º lat

Miniature Nautical Astrolabe - Desk Model Scientific Wonderfully fashioned a brass withMiniature nautical astrolabe. Was used for calculating latitude using Suns altitude. Scale reduced. This instrument is a replica of the Nautical Astrolabe of the "Valance", which is placed in the Kensington Museum and belonged to the Army of Philipe II (16th century). The nautical astrolabe is simplified to measure the altitude of the stars for purposes of navigation. It's heavier construction from those used on land was to compensate for the movement