safeman This is really out of my field and depth but a Dutch friend has sent me these photographs from a recent visit which I hope will be of interest. I have asked for more details.
Timothy Nice stuff they have there but the last picture sure it a big padlock as look like it take two or more people to carry the key and to open it……Tim…..
wylk So this is what a Twiskee (https://www.antique-locks.com/showthread.php/1568-Twiskee-patents-and-or-history) looks like when it grows up!
