LEYDEN JAR
\lˈe͡ɪdən d͡ʒˈɑː], \lˈeɪdən dʒˈɑː], \l_ˈeɪ_d_ə_n dʒ_ˈɑː]\
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By DataStellar Co., Ltd
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Device for accumulation of static electricity.
By Willam Alexander Newman Dorland
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A glass j. coated on the inside and outside with tinfoil, the inner coating having in contact with it a metallic rod which projects from the mouth of the j. and terminates in a knob. The j. is charged by placing the knob in contact with a static machine and putting the outside coating in communication with the ground by a metallic knob brought near the j. Sparks are thus drawn from the machine to the inner coating and are lodged upon the surface of the glass. The j. is discharged by placing one knob of the discharging rod in contact with the outer coat and turning the other knob close to the inner coating, from which a spark is immediately elicited.
By Smith Ely Jelliffe
