This one should work
https://www.switchelectronics.co.uk/products/25uf-motor-run-capacitor-metallised-polypropylene-450v?currency=GBP&variant=45356495634741&utm_medium=cpc&utm_source=google&utm_campaign=Google%20Shopping&stkn=bbf1d20e1ed7&gad_source=1
That mark and address makes it the london tyzacks , all the tyzacks were hugenot refugees fleeing religious persecution from Lorraine in France and started out as glassmakers
http://www.tyzack.net/hackney.htm
Only reference to a thompson V - 500 vise I could find was on the thompson sub machine gun forum, someone else had one and was looking for info, trail goes a bit cold after that but conclusion there was it was a vise for tyre fitting