A text-book on chemistry. For the use of schools and colleges (1866)
Draper, Henry, 1837-1882 · New York, Harper & brothers · leaf 149
ure. In 1745 the Leyden jar was discovered.This consists of a glass jar, Fig. 101, coatedon its inside with a piece of tin-foil withinan inch or two of its upper edge, and alsoon its outside to the same point. Throughthe cork which closes the mouth of the jara brass rod, terminated by a ball,… … THE LEYDEN JAR. 137 and touches it. On holding this instrument by the ex-terior coating and presenting its ball to the prime con-ductor, a torrent of sparks passes into the jar; and whenit is fully charged, if, still retaining one hand in contactwith the outside, we touch the ball, a bright spark…
Chemistry · Physics
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