The adaptation of the multi-tapped auto transformer to dimming of incandescent lamps . Ji \ — . ?^ 1* ^ \^ i t 1 - - I L ^ t r. S s « t .!!![ 1 S 5 k 3 B > s * s? s 1 ^ « ? 1 SI 1 IT u- -5 L e * :: » T> « 5S!aS» i =4~7 w il- ^n-^ 31 V^t-^y^SiS.

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Keywords: ., bookauthorsimpsontracyw, bookcentury1900, bookdecade1900, bookida