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Museum catalogue: Antarctic Collection


Tide gauge

Accession no.: N: 781
Object name: Tide gauge
Title: Tide gauge
Description: A wood box containing an in-built automatic tide gauge used on the British Graham Land Expedition 1934-37 (Penola). The gauge was designed for use when the sea was frozen and would stand on a small table on the sea ice. A flexible wire was fixed to the bottom of the sea and passed over the pulley to a counterpoise weight which kept the wire tight. The up and down movement of the ice with the tide, and therefore of the gauge, was communicated to the pulley and ultimately operated a pen.
Classified name:
SPRI theme science and navigation
Current place name Antarctic regions > British Antarctic Territory > Maritime Antarctic > Antarctic Peninsula > Graham Land
UDC 551.46.081
Geographic UDC (*726.3)
Getty AAT tide gages
Number of items: 1
Full description:

A wooden box with a hinged lid (a central hinge), reinforced along its length with textile, and a metal catch on either side for holding the lid shut. There is a length of textile tape nailed to one side for holding the lid open. The back of the box is printed 'HEDGES & BUTLER LTD. // Established 1667 // WINE MERCHANTS // To H.M. KING GEORGE // AND H.R.H. THE PRINCE OF WALES // REGENT STREET, LONDON'; this has been painted over in red paint with 'BIOL'. The box contains an in-built tide gauge consisting of a pulley, spring, plumb wire, ratchet and a roll of paper with a nib.

  • Width: 350mm, height: 270mm, length: 455mm
Associated expedition(s):
  • Used on: British Graham Land Expedition 1934-37 (Penola) (1934 - 1937)