4p. Cardinal Square, Off Nottingham Road, Derby City Centre. Installed in the car parks of this 1970s' office block are several mid-hinged 8 m columns supporting triple-arm brackets and ELECO GR 304 lanterns, which, in 2015, all still run MBF lamps - either 250 W or 400 W. The lanterns are well-maintained too; they still emit the familiar cool white glow of a healthy mercury lamp, with hardly any green colour shifting ever occurring. Of course, this may change as stocks of spare lamps are depleted, owing to the obsolescence of mercury vapour lamps in the same year. The lanterns have their individual lamp control gear sets installed remotely - the column bases must therefore be rather cramped!

Three columns are installed in the car park on the front of the site - two are visible here; the third (in the background) is obscured by adjacent trees.

 

Notice the diffusing spots that are applied to the lantern bowls.

 

The lanterns attached to the second column are positioned identically to those on the first column.

 

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