These long weatherpacks were also known as the Invincible range. The range included: single-lamp open, twin-lamp open, single-lamp enclosed, and twin-lamp enclosed options. This page documents only the enclosed twin-lamp option. They were rated for resistance against corrosive chemicals and high-humidity environments.

Derby

This example is mounted on the side of an industrial building off Shaftesbury Road. It was installed in this location to light a now-removed sign. It may have been left up as removing it was more of a hassle than it was worth.

The canopy has taken the brunt of nature, now shedding significant numbers of fibres.