Tyndall, John, 1820-1893 · New York, D. Appleton · leaf 117
expan- 1 By an inadvertence the bar in No. 1 and No. 2 is shown square. 92 HEAT A MODE OF MOTION. LBOT. IV sion of atmospheric air, thus illustrated, was transferredfrom the world of the senses to the region of atoms andmolecules. These were supposed to be surrounded byatmospheres of caloric; and… … But how are we to picture such dilatation in accordancewith the theory which regards heat as a mode of motion ?The comparison of a very great thing with an indefinitelysmall one will here help us to a clear conception. I onceapproached Gibraltar on a fine star-light night when theplanet Jupiter was…
Heat
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