English, c.1843, signed in script 'Cary 181 Strand London' and 'Oliver Byrne Invt', constructed of lacquered brass, with 13cm diameter horizontal circle engraved in hours and minutes running through twenty-four hours, two uprights hold vertical circle engraved with a scale running 90-0-90 degrees, with two telescopes to top with, one for solar observation and one for celestial, in an unpolished mahogany case, with catches to front Notes: The instrument comes with a copy of the original hand written instructions titled 'Description and Use of an Instrument To find the time by the Sun, Moon, or any of the Visible Fixed Stars; as well as the names of those Stars. Invented and Constructed For The Right Ho. Earl Fitzwilliam by Oliver Bryne. 1843', the instrument offered here is part of the overall instrument as described in the original instructions 'This instrument is composed of two parts, one...