Hi gentlemen, just take a look on the wylk's link, i have the same passion on vault doors so completely agree with the crazy Adam's experience. just...
I have a lock from the same system. Quite sure these are ex museum show case locks and were made by Chubb to match existing Hobbs keys as the design...
New member, came across the forum whilst looking into some chubb locks i’ve picked up. Former career was as a commercial diver,now retired from that...