somewhere out there there's a bit of history re the company (Shipley's history?, Companies House?) which would say when it went from just old man J Parkinson to and sons (?about 1895???) don't know about the VISE spelling but there are a few that look first gen Perfects with VICE. And before the QR there were Handy types with two rear castings but usually no cast-in name mark - how far back? I'd guess 1870s but don't know - the 'Improved' Handy (single casting rear) may have been introduced about 1900?.Thanks to all for the great comments, much appreciated yes it is a beauty i'm really very taken with it. Apparently it came from Council Workshops - does make you wonder what is still lurking out there & in use. Perhaps it was sold off for "health & safety" reasons, only to be replaced by modern junk (I've heard of that happening). Incredible to think something this old was still earning its keep - a testament to how well built this old stuff was.
Danny I've attached another pic of the name details, any idea of the age of it based on it saying Vise & Parkinson's ?
Also does anyone know what the raised area that's been threaded is for underneath it ?
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So 1880 the Perfect QR patent; then wild guesses 1892 +/- for VICE>VISE and 1897 +/- for PARKINSON'S>PARKINSONS, but of course they may only have changed the patterns for the castings when they needed to, and there may have been factory stock of some parts etc etc
I stand to be corrected on any of these.
Is the threaded hole occupied at the top with a bolt holding part of the moveable buttress nut?