Abacus AM480

Lantern acquired in June 2006.

This lantern came from around the London Rd entrance to the Eagle Shopping Centre in Derby. Following the commencement of the expansion and redevelopment of the Eagle, the area where this and several other lanterns were used was cleared. These lanterns are exclusively used in this small part of the city; and were installed in about 1996 when the top part of Osmaston Rd was pedestrianised.

The lantern is similar to an WRTL 2310 except that it does not have external vertical support bars. A P9 column-mounted cell is fitted as there is nowhere on the lantern body for any other type of cell to be fitted. The canopy and base casting are aluminium - this is corroding in the places where the paint has chipped off. The green colour scheme was used for all street furniture in the City Centre when the main roads were pedestrianised. The bowl extends to just above the main rim on the canopy to allow a small amount of decorative light to escape.

The canopy unscrews from the thread located above the baffle plate; and then the bowl and refractor simply lift out. An internal-ignitor SON-E lamp was fitted when I first received the lantern; however an ignitor is connected in the gear and a SON-T lamp should really be used. It might be that this ignitor has failed but I will check this at some point.

The gear cover is held in place with a single screw - the ballast and ignitor are German and so it is possible that the lantern appears over there as well; under a different name.

Philips MU 80 | Revo Diadem


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