Electricity for everybody; its nature and uses explained (1895)
Atkinson, Philip · New York, The Century Co. · leaf 36
is plate is a pair of rubbers,made of leather-faced cushions smeared with an amalgamof tin, lead, and mercury, made into a paste with lard.These are pressed against the plate by a pair of brasssprings having a bolt and screw to adjust the pressure, 22 ELECTRICITY FOR EVERYBODY. and are attached to… … Fig. 6. it a pair of brass combs, with sharp points for collectingthe electricity, project to the right on opposite sides ofthe plate; a brass rod terminating in a ball projecting inthe opposite direction, for convenience in connecting ap-paratus with the machine. When the plate is rotated by the…
Electricity
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