Maybe it's the recent talk about old inspection covers, but I noticed this old electricity pole (at least I think that's what it was) and cast iron box on the corner of Gascgoigne Road and Chi Wo Street.
At the base of the pole is the lettering:
Bullers Limited London
Code Word Artro
Here's a page about Bullers, which shows they were manufacturers of electrical insulators and other electrical distribution equipment. <Read more ...>