Hemisferium H31<br/>Nocturnal Tide Abacus

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Hemisferium H31
Nocturnal Tide Abacus

Nocturnal and Tide Abacus. The piece that we offer, is a replica of an instrument who is dated to 1570 and of Humphrey Cole signed, the first English manufacturer of astronomical instruments.This instrument is in the British Museum in London. The original piece has two sides, One of these is this Nocturnal (Keychains and face A Tidal Abacus / Nocturnal). This is the concept that give the Nocturnal his origin such as we know todays, his origin. It was built in the early sixteenth century and disappeared in the eighteenth century, coinciding with the development of mechanical watches.