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Collectors & Explorers

Sir John Ross

Artificial horizon

Period:
19th Century
Description:
An artificial horizon believed to have belonged to Cpt John Ross and used on Arctic voyages.  Artificial horizons were used by the navigators of sailing ships when they were becalmed and very often in fog, when the natural horizon was not visible.
Materials/Media:
wood, mercury, glass
Dimensions:
length 200mm; height 110mm; (max. open 240mm)
Source:
Stranraer Museum
Accession number:
WIWMS 1986.367
Digital Number:
SRSH001n
Copyright:
Dumfries & Galloway Council