Miller-Casella thermometer for taking temperatures at depth at sea, designed by chemist William Allen Miller in 1869 and made by Casella, London, 1869-1872. This thermometer design is a modification ...

Aimé’s thermometer, improved but unchanged ... and tension spring hookup which keeps track of the water pressure (hence the depth). The stylus is moved from side to side by a bimetallic ...

Conversely, if water and a thermometer within it are at different ... the in-situ temperature by about 0.1°C for every 1000 m of depth increase (Figure 1a). However, potential temperature does ...