Z 8007/8 SMALL "WATFORD" LANTERN British Patent No. 408419 Length 15 ins. Breadth 9½ ins. Height 15 ins. Weight 32 lbs.

Totally enclosed dust-proof lantern specially designed for OSIRA lamps. It has an ornamental stepped cast top with an iron frame body, and it is provided with a hinged bottom panel to give access for cleaning and re-lamping. The lantern is supplied complete with porcelain enamelled inner reflector and two special prismatic glass plate refractors to suit the light distribution of the OSIRA lamp. The lantenr is glazed with spreader glasses which give wih the plate refractors, an asymmetric light distribution producing that light level of road brightness which is so necesary if the road is to be well lighted. The lantern has been designed for use with either 150 or 250-watt OSIRA lamps. When used with 150-watt lamp an E.S> porcelain holder is required, but it is necessary to employ a G.E.S. porcelain lampholder when a 250-watt OSIRA lamp is in use. The lampholder is wired with heat-resisting leads to a connecting terminal block. A focusing device alters the asymmetery of the main light beams. A standard size of pole clamp is supplied enabling the lantern to be attached to poles of diameter between 4½in. and 5½in. The external finish of the lantern is aluminium colour.

Back to: GEC Street Lighting