Quote:
Originally Posted by holmesuser01
This is the plug I was referring to earlier. The house it's in was built in the 1880's. There's one of these outlets in each room on the main floor. No outlets upstairs at all, just overhead lights with pushbutton light switches.
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If you look at real old catalogues from the '20s, showing electrical products, they show a Edison base adaptor included with the straight blade plug.