Z 5515 SMALL "OXFORD" LANTERN Overall diameter 14 ins. Overall height 21 ins. Weight (complete) 22¾ lbs. Top connection. Standard ¾-inch gas thread. Other tappings up to 1½ins. to order.

G.E.C. Small "Oxford" Street Lighting Lantern

Totally enclosed dust-proof lantern, specially designed for low wattage OSRAM gasfilled lamps constructed of heavy gauge spun copper body with cast iron top, omplete with porcelain enamelled steel inner and outer reflectors. The outer reflector is hinged and provided with a locating notch for a G.E.C. prismatic glass bowl refractor, which, with a felt gasket, makes the lantern dustproof. An inner symmetric refractor converts the light from the OSRAM lamp to the vertical shaped source for correct light distribution by the outer bowl refractor. An external focusing knob is provided so that the correct positions of the different wattage lamps can be immediately obtained. The lantern is supplied with a felt gasket. The patent G.E.C. top connecting box, designed to eliminate lamp failure due to water drip or condensation, is wired with heat-resisting leads to an E.S. porcelain lampholder.

The external finish of the lantern is aluminium colour with all reflecting surfaces heavy vitreous enamlled. An important feature of this lantern is that by the removal of the inner symmetric refractor and the replacement of the inner reflector by one of a different shape the lantern becomes suitable for use with the 80 and 125-watt discharge lamps.

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