Incandescent electric lights . Fig. 16. disc, shown separated in the lower partof Fig. 16, and which can be turned soas to bring a contact spring on any one 32 of the supports of the carbon, whoseposition is indicated by an index and di-visions engraved ^n the base of F!g. 17. But what is most interesting of all inthose accessories of Mr. Edisons sys-tem, is the meter which determines theamount of electricity consumed by the 33 lamps. There are two kinds, one auto-matic like a gas meter, the other requiresweighing. They are, however, bothfounded on the same principle, that is tos
Incandescent electric lights . Fig. 16. disc, shown separated in the lower partof Fig. 16, and which can be turned soas to bring a contact spring on any one 32 of the supports of the carbon, whoseposition is indicated by an index and di-visions engraved ^n the base of F!g. 17. But what is most interesting of all inthose accessories of Mr. Edisons sys-tem, is the meter which determines theamount of electricity consumed by the 33 lamps. There are two kinds, one auto-matic like a gas meter, the other requiresweighing. They are, however, bothfounded on the same principle, that is tosay, in the estimation of work by theweight of a copper deposit produced bythe current used. We will describe thesetwo interesting pieces of apparatus here-after, and give drawings of them; to-day we must be content with only men-tioning the principle involved. Imagine a balance having at the extrem-ities of the beam two cylindrically rolledplates of copper forming two us admit that these two systems ofelectrodes, which plunge into two vesselsfilled with a solution of sulphate of cop-per and furnished with fixed electrodes,are traversed in an inverse direction bythe current employed, and which cancause the balance to operate under agiven weight of copper depos
Size: 1094px × 2284px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1880, bookidincandescent, bookyear1882
