Meadowcroft, Wm. H. (William Henry), b. 1853 · New York & London, Harper & brothers · leaf 21
nds to the squareinch of water. Now, if the tankwere placed on the roofof the house and thepipe brought to theground as shown inFig. 2, the water wouldspout up very muchhigher, because therewould be many morepounds of pressure onaccount of the heightof the pipe.So, you see, the force or pressure of… … Fig. 2 DEFINITIONS weight, as the word pound weight does.You all know that if you have a pound ofwater you must have something to hold it,because it has weight, and, consequently, oc-cupies some space. But electricity itself hasno weight and therefore cannot occupy anyspace. When we desire to carry…
Electricity
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