Spon, Ernest, Haldane, Robert, Lock, Charles G. Warnford (Charles George Warnford), 1853-1909 · London ; New York : E. & F.N. Spon · leaf 104
ty salt-jars at 2d. each, or 5s. the connection from element to element de- set ; 30 round porous cells, 5 in. high scribe! here considerably reduces the and 2| in. diam., at 3s. to 4s. per dozen ; work and time expended in charging the 30 pieces of zinc, 10 in. by 5 in. by 1 in. battery. If parts… … Cost of the Materials fur a ?>0-Element by heating them, if necessary, as de- Bunsen's Battery for producing Elec- scribed on p. 70, and amalgamate them. tric Light. £ Cut 29 pieces of copper-wire (No. 18), d. £t 30 salt jars, 2d. each .. each 11 in. long. Buy also 30 pieces of 0 5 0 30 porous…
Workshop recipes · Technology · Industrial arts
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
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