Conversations on Chemistry, V. 1-2 / In Which the Elements of that Science Are Familiarly Explained and Illustrated by Experiments

by Mrs. Marcet

[Plate IV.]

Vol. I. p. 84.

Fig. 1. Ether evaporated & water frozen in the air pump. A Phial of Ether. B Glass vessel containing water. C.C Thermometers, one in the Ether, the other in the water.

[Larger view] (complete Plate)

CAROLINE.

It is indeed wonderful to see water freeze in contact with a boiling fluid!

EMILY.

I am at a loss to conceive how the ether can pass to the state of vapour without an addition of caloric. Does it not contain more caloric in a state of vapour, than in a state of liquidity?

MRS. B.