Re: Home made carts!
I don't know if Black & Decker-type electric drills were around (or if they were, if they were affordable) in the early 1950s, whereas most people had coal fires so a hot poker was available and didn't need a long electric cable. Plus a poker would burn a decent sized hole quite quickly in one go to fit a half inch or similar size bolt. Incidentally we tried linking together more than two trolleys, but issues such as snaking led to instability problems and low speeds, perhaps because the front trolley wasn't actually pulling the trailing ones and for some of the time it was being pushed.
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