Antique Door Entry Set Reinstall

I want to reinstall the original door entry (Arlington RHO 1295)on my 100 year old front door but I am missing the interior mortise lock. I went to one locksmith who explained that the distance between the door knob hole and the cylinder hole would be very hard to match and he couldn’t help me. Does anyone know of a supplier/installer that specializes in this sort of thing?

By Martina H |