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Expedition: British Antarctic Expedition 1907-09 (Nimrod)
Materials: wood, metal, glass
Dimensions: 65mm (height), 345mm (length), 22mm (depth)
Date: 1907-1909
Ref no: Y: 57/4

A wet bulb thermometer manufactured by Cary of London and marked in degrees Farenheit from -80 to 40. It was used during at Stevenson's Screen (a meteorological screen to shield instruments against the elements), at Cape Royds, McMurdo Sound during the British Antarctic Expedition 1907-09 (Nimrod), and was taken from there by Lieutenant Commander Foster during Operation Deep-Freeze I 1955-56.

Physical description:

A wet bulb thermometer, consisting of a mercury in glass thermometer in a wooden frame. The wooden frame is made in two halves which are screwed together, and the thermometer itself is held in place in the frame with three metal plates fixed with screws. There are a further two metal plates with wire loops fixed to the back of the frame so that it can be hung horizontally. The thermometer is marked 'MAXM CARY. 7 PALL MALL. LONDON 23563'. The scale is marked in degrees Farenheit from -40 to +80.

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