MAKE A MEME View Large Image Edison's lamp fitting.jpg fig 431 The free ends Fig 432 of the platinum wires are connected with the copper sockets D and E which are insulated from each other by plaster of Paris F and C are copper pieces which are separated by the disc L ...
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Keywords: Edison's lamp fitting.jpg fig 431 The free ends Fig 432 of the platinum wires are connected with the copper sockets D and E which are insulated from each other by plaster of Paris F and C are copper pieces which are separated by the disc L consisting of insulating material M is a wooden ring serving to insulate the different metal plates from each other By screwing in a lamp contact is made between E and F and between the plates C and D at the same time By means of the plates B J and A K which touch each other contact is made within the wooden ring This ring consists of two portions covered with sheet brass The first portion of the wooden ring is connected with the wires leading from C and F Wires from the circuit are pressed by means of screws against the plates A and K 1886 Fig 432 at http //www archive org/stream/electricityinse01wormgoog page/n496/mode/1up page 458 in Electricity in the service of man by Alfred Ritter von Urbanitzky edited with copious additions by Richard Wormell Published by Cassell Company 1886 Unknown illustrator PD-old-100 Early incandescent light bulbs Scans from 'Electricity in the service of man' 1886
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