Cosmolabe Rock

Cosmolabe Rock is the rock off the NW coast of northwest coast of Nelson Island in the South Shetland Islands, Antarctica extending 120 m in southeast–northwest direction and 50 m wide. Its surface area is 0.23 ha. The vicinity was visited by early 19th century sealers.
The feature is named after the cosmolabe, an instrument created by the French inventor and mathematician Jacques Besson to be used for navigation, surveying and cartography; in association with other names in the area deriving from the early development or use of geodetic instruments and methods.

Location

Cosmolabe Rock is located at, which is 860 m northwest of Retamales Point, 2.7 km northeast of Smilets Point and 1.43 km southwest of Withem Island. British mapping in 1968.

Maps

Livingston Island to King George Island. Scale 1:200000. Admiralty Nautical Chart 1776. Taunton: UK Hydrographic Office, 1968.
Scale 1:200000 topographic map No. 3373. DOS 610 - W 62 58. Tolworth, UK, 1968.
Scale 1:250000 topographic map of Antarctica. Scientific Committee on Antarctic Research. Since 1993, regularly upgraded and updated.