A text-book on chemistry. For the use of schools and colleges (1866)
Draper, Henry, 1837-1882 · New York, Harper & brothers · leaf 140
t will almost certain-ly crack. The rubbers are to be spread over with alittle Mosaic gold or amalgam of zinc, and the stem ofthe conductor made dry. If the rubbers of the machineare not in connection with the ground, there must be achain hung from them to reach the table. Then, whenthe instrument… … 128 ELECTRICAL EXPERIMENTS. to the prime conductor, a succession of sparks is emit-ted, attended by a crackling sound. A great many beautiful experiments may be made bythe aid of this machine. They are, for the most part,illustrations of the luminous effect of the spark, attrac-tions and…
Chemistry · Physics
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