Hi OldMohawk, looking back at one of your old photos (598566) of the Prefab (city) I was surprised to see so many on one site, I only remember seeing them around parks and a few on an island at the bottom of Warren farm road. I did a bit of Electrical repair work on a few of them which was pretty easy as the faults were usually just bad connections in the roof space near the Man hole, the connections were simular to the push on type we saw in car wiring. thanks for the Photo. AlA 1946 view looking south shows prefabs in Olton with Rodney Road and Highwood Ave top right.
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Enlargement of part of the pic shows that iron sheds were provided and some gardens appear to have rows of vegetables planted.
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images from 'britainfromabove'