Vintage Minor Register

Hi
RT8431 is missing its oil pressure gauge. Currently I just have a bolt in the end of the pipe to stop it pumping oil out, bu I'm looking for a replacement gauge. What sort of scale should I be looking for?
Thanks
Andrew

100 psi.

Right, thanks, I've bought the one off eBay that you suggested, so hopefully that will arrive soon!
Andrew

Good job - now you will have oil pressure!