M H Adjustable wrench
A friend picked up this Canadian-made wrench recently. I can't find info on what <MH> might stand for, at a guess Massey Harris? The moving jaw has a star cast in one side and MPI stamped on the other, but no other identifying marks.
Yep, that's the Massey-Harris logo. See https://en.wikipedia.org/wiki/File:Massey-Harris_Company_logo_1952.jpg. According to the Canadian Intellectual Property Office, the design was filed in 1954 by Massey-Ferguson (the new combined company after 1953) and inactivated in 1970.
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