Nocturnal Dial Key Ring shell Height sundial

Height sundial

Hand crafted of wood with green paint finish accented with a brass plaque on the lid and featuring a compass with cotton shadow line

Used for finding your latitude this piece is both useful and beautiful

This reproduction of an early optical device employing the phenomenon of "Retinal Persistence" or Image Retention" is a fine piece for explaining how animated movies work

is employed to predict the time of tidal changes

Nocturnal Dial Key Ring shell Height sundialThis is a replica of a Nocturnal and Tide Computer from 1570 signed by Humphrey Cole. Cole was the first maker of English instruments having learned the craft from Flemish immigrants in the final years of the Tudor dynasty. The original can be found in the British Museum, London. Legend has it that the Nocturnal Astrolabe was invented by Raimund Lill to administer doses of medicine to patients during the night. The Nocturnal is a star clock used to