Take your pick -
There’s “ Pearson-Edwards “ in Warrington in the UK.
” Pearson Spares and Service “ in Cramlington in the UK.
And most likely for you -
” Pearson-Parts Homepage “ at www.pearson-parts.com
That’s off google.
I worked on their guillotines back in the day. They were decent machines.
I have a copy of the manual that i had to buy from revro pty Ltd. Pm me and ill try to send it to you. Mine is a 175 ton 12 ft brake. I gutted my controls and redid mine but the manual shows the simple wiring diagram.