1883 1 June 489/2 An hydraulic system of power-transmission has been adopted at Penhouet, France.
1891 28 Sept. 13/6 A power transmission..from the Palmengarten..to the exhibition, a distance of about four kilomètres.
1993 19 June 4/2 Electricity supply companies are already interested in buying superconducting fault current limiters, a safety device for power transmission lines.