Experimental science. Elementary, practical and experimental physics (1890)
Hopkins, George M. (George Milton), 1842-1902 · New York, Munn & co. · leaf 424
^ heating the ends only and rubbing onparaffine, alknving it to melt and soak into the pores of theplate until a strip about 1^2 inches wide across the end of the … plate is well filled with paraffine. This treatment preventsthe solution from ascending by capillarity and destroyingthe connections. The plates are arranged as shown in Fig. 396, the zinc 402 EXPERIMENTAL SCIENCE. plate being located between two carbon plates and sepa-rated from them b} strips of…
Physics · Lantern projection · Electric apparatus and appliances
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