Part

 1 I  |       important and difficult experiments on the relation of heat
 2 II |    external sources. Accurate experiments have shown that the quantity
 3 II |    that time be compared with experiments, have held good.~But it
 4 III|                    Part III - Experiments Of Joule~The experiments
 5 III|      Experiments Of Joule~The experiments of Joule, which have been
 6 III| relation between the two. His experiments show that when heat is produced
 7 III|     according to Joule's best experiments, equal to the work which
 8 III|    results of a few series of experiments which he obtained after
 9 III|       methods.~1. A series of experiments in which water was heated
10 III|      9 metres.~2. Two similar experiments, in which mercury in an
11 III|      metres.~3. Two series of experiments, in which a conical ring
12 III|       from the older physical experiments, and has partly been determined
13 III|      determined by the recent experiments of Regnault by extremely
14 III|       thermal equivalent from experiments: With ~atmospheric air . . . . . . . . .
15 III|   lost, there is obtained, as experiments made with the object of
16 III|       of which an infinity of experiments has been made and an infinity