Fig. 1 represents an air thermometer, or the expansion of air by heat.
Fig. 2 is the logarithmic curve.
Fig. 3 is a device suggested by "Mr. Ewart," to illustrate Dalton's idea on the temperature of the atmosphere.
Fig. 1 is intended to illustrate Dalton's ideas on the subject of the capacities of bodies for heat.
Fig. 2 is a comparative view of the old and new divisions of the scale of the mercurial thermometer.
FIg. 3 is a…