Photo of the wanted Vernier attached..... It dates back to the 1950's and 1960's (the days before CNC had been invented). I still have an Oric Green CRT and three circuit boards available (swap?). https://www.denfordata.com/bb/viewtopic.php?f=13&t=5582 Orac CRT monitor, green screen https://www.denf...

Orac CRT monitor, green screen, working when removed during upgrade, good screen image. £50.00

Three Orac boards and two cables, working when removed during upgrade, £30.00

Left: Orac Timer module TI0_B, S2013 or S1738 ???

Middle: Orac module TI0_C, S2044. may have the wrong number!

Right: Orac module Dedicated PRM_1 board, S2101. may have the wrong number!