| Description | Several documents including ‘comparison of the dry and wet bulb thermometer employed in the Meteorological Department of the Royal Observatory Cape of Good Hope, with Regnault’s standard no. 129’ dated 23rd and 24th June 1852.
Includes a memorandum regarding the ‘corrections of several thermometers’ ‘by Regnault’s standard thermometer’.
Includes a table depicting ‘comparative readings’ of thermometers with Regnault’s standard thermometer. |