Evening Republican, Volume 18, Number 205, Rensselaer, Jasper County, 31 August 1914 — Lighting Yard From 100-Foot Towers. [ARTICLE]

Lighting Yard From 100-Foot Towers.

Eight quartz-tube mercury-vapor lamps supported on as many steel tow-., era are employed to illuminate the yards of the Pittsburgh & Lake Erie railroad near Pittsburgh. Pa. The.'.'installation, according tor the Elect cal World, consists of quartz-tube lamps supported On 100-foot towers set at Intervals aronnd the boundaries of the yard. The lamps are rated at 729 watts each and have a specific energy consumption of 0.33 watt per candle making them among the most efficient J artificial lllumlnants known. , • /