e sound in alcohol and the remaining air is exhausted. When general to any substance having silica as its base, is every other respect. Some, again, may lose the power most plainly shown when the surface is dampened or heat is applied to the coil the vapor of the aleohol con- of recalling words,… … aluminum, except possibly magne- true relationship to its environ- sium. On the other hand, besides ments, and there is, as a conse- Fig. the fact that magnesium oxidizes quence, derangement of conduct, very quickly, the traces which it leaves on glass van- asthe result of the physical…
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