r, and when arise of temperature is noticed it will befound to be very slight indeed. In con-sequence of the low conductivity of the Fig> 67water the heat reaches the thermometer very slowly. On mixingthe water in the bell-jar with a stirring rod a considerablerise of temperature is observed,… … 172 HEAT. [CH. X much affecting those below. If the water be replaced bymercury and the experiment repeated the rise of temperaturewill be much more rapid. Mercury is a good conductor of heat. (b) Take a long narrow test tube and place a small lumpof ice at the bottom, either weighting it so as to…
Heat · Light
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.
