Posted by Michael Gilligan on 03/01/2017 07:57:07:
That makes a lot of sense, Graham
… The 'monogram' at the top would be for Victoria Machine Tool Company
MichaelG.
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**LINK**
Their marketing department obviously didn't explain to them the benefits of a consitent logo – there must be at least six variations on that page, without including the one on the chuck here!
Of course, 'Victoria' was a pretty unusual name… 
Neil