E,fig. 86. These were connectedby a tube D with a stopcock,and placed inside a tin vesselwhich was filled with water; thisvessel contained about 16| Ibs.of water and each of the copperreceivers would hold about 134cubic inches. One vessel Ewas exhausted, the other filledwith air at a pressure of… … 177-178] THE MECHANICAL EQUIVALENT OF HEAT. 217 change in temperature was found to be inappreciable. Thevessel from which the gas escapes loses heat, the other vesselgains it, but the loss and the gain are exactly equal, and so,on the whole, after stirring there was no change of tempera-ture. In…
Heat · Light
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