Incandescent electric lights . 27 which are insulated, and in whose circu-lar part two springs press, as seen inFigs. 12 and 13. Connections of the con-. ductors with the lamp, as we have indi-cated above, are made by a lead wire (cutoff) which may melt and interrupt the 28 circuit in case a too great quantity ofcurrent should endanger the lamp. In these brackets, as in the threebranch chandeliers, represented in , keys have been introduced whichallow the extinction of the lamps separ-

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Keywords: ., bookcentury1800, bookdecade1880, bookidincandescent, bookyear1882