GEC Z8256 Genre: Enclosed Horizontal Traverse Tubular Fluorescent Lantern After the invention of the tubular fluorescent lamp in 1937 by GE of America, its application to street lighting was immediately recognised, but all development was delayed by the Second World War.

The Z8256 lantern. The bowl has been lowered to show the tubes. The polar curve is based on an average tube life output through life from two 40W Osram Daylight fluorescent tubes (2850 lumens average). 1. Light distribution in a vertical plane through maximum intensity. 2. Light distribution around the lantern through maximum intensity.

The lantern is designed to run a pair of 2' 40w tubes with a single instant start ballast. The capacitor dates the lantern to 1970, which would be about right. Sadly the plastic bowl was lost during the final year or so of service, but luckily a replacement was sourced. The original concrete outreach bracket was also saved when the Stanton column was sleeved.

GECUPDATED 2 3 2015

A lot of old 5M STANTON AND STAVELEY concrete posts with swan neck brackets were replaced with new metal brackets with side entry THORN BETA 5 lanterns ( new type , 35W SOX bulbs , integral gear , 2 part RTE P42 photocells ) . The old lanterns were GEC Z5591 lanterns ( 80W MBF Mercury bulbs , less gear) .

GEC Z8256 (Surrey Modification) Genre: Enclosed Horizontal Traverse Tubular Fluorescent Lantern After the invention of the tubular fluorescent lamp in 1937 by GE of America, its application to street lighting was immediately recognised, but all development was delayed by the Second World War.

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The GEC Z8260 was the final side-road fluorescent lantern designed by the GEC. It was a complete redesign of the previous GEC Z8256 with a sleek new canopy and equally slim-line bowl.

GEC Z8526 Lantern acquired in September 2006. Thanks to Steve Rowe for letting me have this lantern. Originally fitted in Topsham Road, Exeter, the lantern is believed to have been fitted with a 250 Watt SON lamp for its entire life although the actual design dates from mercury days.

越来越多跨国企业纷纷加入GEC绿证采购大军。 富士康、惠普、微软、亚马逊、巴斯夫等国际巨头争相入场，这一现象背后究竟蕴藏着怎样的商业逻辑？