12FAA. Priestley Way, Walthamstow, London Borough of Waltham Forest With thanks to Alex Monk for informing me of these Survivors. Installed on the Forest Trading Estate are a number of ELECO 'Silverline' HW-1226-3 15 ft (5 m) aluminium columns, with the majority supporting their original HW-11600/1 gear-in-head lanterns for 80 - 125 Watt mercury vapour (MBF) lamps. The Trading Estate's roads appear to be in private ownership, which could be why these installations have survived.

The first installation from Blackhorse Lane to retain its original lantern is seen below.

The bracket has minimal outreach, but as the lantern houses the lamp control gear, the bowl area is still situated some distance from the column.

The bowls themselves do not feature refractor prisms, and should be transparent, but the ingress of dirt has given this one a rather translucent appearance instead.

The same example is seen again from a different angle.

The protrusion behind the bowl is the section that houses the lamp control gear.

Temporary floodlighting units are positioned adjacent many of the columns, suggesting that the original lights are no longer operational, and this may be because of something more difficult to resolve than simple lamp changes - for example, an electricity supply fault.

Oddly, the ELECO column at this location has been replaced with a far newer Fabrikat tubular steel column, although the bracket and lantern were transferred over, rather than being renewed too.

The following column remained as an ELECO, however.

The lanterns are not fitted with any sort of photocell control; such technology being in its infancy in the 1960s, when these lanterns were made.

This example was another that had received a new column at some point.

The bracket has a sharper curve, and a slightly longer outreach.

The design of the lantern is reminiscent of the 'Cobrahead' lanterns that are common in America.

At the end of the road, some wall-mounted examples are to be seen.

The lamp and bowl are missing from this example, allowing a glimpse into the lantern.

Three more examples are seen on the other side of the building.

These lights also look to be disused, with photocell-controlled LED floodlights having replaced them.

The wall brackets are ELECO B53 types.

These examples have glass bowls - the design of these being the same as on my HW-918.

Nearby, a separate cul-de-sac off Blackhorse Lane is home to an 8 m sheet steel column supporting a GEC Z9464 90 Watt SOX lantern.

The iridescent rainbow appearance to the lamp's infrared outer coating suggests that it could be an OSRAM design; however, the blackening at the cap end also suggests that this lamp is worn out.

Across the road, a wall-mounted example was to be seen.

This too had a rather well-used lamp fitted.

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