Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 543
preparatory t<> winding on the filament. bination of machinery and hand labour.The Lull,-, are exhausted, >i\ or eight at atime, and the operators, who >it ontrolleys running on the rails of a smalltramway, are able to pass rapidly up anddown and supervise several Bets of… … stems on exhausted Osram lamps ng filanu nt and ogt in hull,. Die drawn win filair.enl is < a-ily wound on bj hand, and it i- interesting to see how deftly tin- i- done by the t..]-. \, \: .1 current issenl through for a moment and the filament I- thenheld by the -|irniLr supports with the…
Lighting
Internet Archive · University of Toronto Libraries · Public Domain Mark 1.0. Free to use for anything.
