Hats off to Robert Barron- I don’t think he ever receives the credit he deserves! His idea and patent of 1774 may have been an unusual solution to what later progressed on to be the norm, but his idea produced an interesting lock which needed cuts both correctly positioned on the key-bit and cut to the correct heights in order to work. An unusual idea and a massive leap forward at the time, which for me makes him an All Time Great! Original condition lock with a more recent copied key.

