Quote Originally Posted by Curator View Post
Hi BBE.
Thanks for showing us your roman padlocks. You are correct in that we don’t as yet have any examples of complete Roman locks, although we do have many more Roman keys to add to that section. Most of the keys shown are lift and slide, would I be correct in that your locks would have been of the spring barb type but with a turning key? It’s nice that your locks also seem to depict a deity, have you identified them?
From the iron rust residue in the lock that opens I can determine that it would have required a drilled key, what you call a pipe key in the UK, and there was a sliding bolt for the shackle that appears to have had a spring to keep it in place. I also have a drilled key in my collection that appears to be the correct style although it is too large for this lock and it doesn't have a point that could have been used to slide or pivot the cover retention plate.
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The dieties are probably Zues and Hera but I am just guessing there. In all my perusing of ancient Roman lock bolts and keys I find it interesting that I have never found a bolt and a key that are compatible of the lift and slide type. In fact I have noted that the keys are typically much too large to engage any of the bolts.

Of all the samples of keys, it seems that the Romans employed three different mechanisms in their locks:

1. The barbed spring, typically called a French Latch in door locks of today
2. The rotating bit key as seen above
3. The Egyptian type pin tumbler typically referred to as lift and slide

The technology improvements in locks, especially basic mechanisms has always held great interest for me. The Roman's seemed to use mechanisms from other sources and as near as I can determine originated the rotating bit key unless you want to consider the older Greek sickle keys as very rudimentary bit keys.

I have often thought of building a working model of the padlock on a fairly larger scale as I imagine it would have been made but like most of us time is the biggest obstacle.
BBE.