Re: The wringer mangle.
All the articles I've read put Tasker as inventing the "geared mangle", and not the first mangle. They all attribute the first mangle to a John Turnbull. One source I found even claimed that the first mangle was some kind of modified printing press and so was un-patentable; I can't find the link.
Would be very interesting to hear what you manage to dig up on the patents Bob.
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