[Bubier], Edward Trevert, 1858- [from old catalog] · Lynn, Mass., Bubier pub. co. · leaf 19
iding-rods haveebonite handles, and terminate in brass balls attheir inner extremities. The plates are of sheet glass, about \ of an inchthick ; of good insulating quality, and well coatedwith shellac. The stationary plate B has twocircular openings called windows, directly oppositethe combs K and… … THE ToPLER MACHINE. The Topler machine shown on this page has thesame general construction as the Holtz ; but, onthe front surface of the revolving plate, arecemented a number of small metal discs, called 2 18 ELECTRICITY AND ITS carriers ; usually made of tin-foil with raised brasscentres, which,…
Electricity
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