Maker of old screw type lock?

[G-lock]

I got these from two different people. One person said it was used to secure cannons in the civil war. The other said it was used for a old gun rack. The lock itself has no markings on it anywhere. Does anyone know who made them & when? I have a hard time believing that they are really civil war locks because i got them cheap.

[GWiens2001]

I seriously doubt they were used to secure cannons during the civil war.

There have been a number of manufacturers who made these, and many are still made around the world. Most are junk made from folded steel plates. Those look similar to some British ones I have seen.

Gordon

[Squelchtone]

you should join http://antique-locks.com/ forum and ask them there. Most of us pickers are on there, but not many of their old timey collectors are on here.

Squelchtone

[G-lock]

I seriously doubt they were used to secure cannons during the civil war.

There have been a number of manufacturers who made these, and many are still made around the world. Most are junk made from folded steel plates. Those look similar to some British ones I have seen.

Gordon

Is it the shackle that you've seen made from folded steel plates? Or the entire lock? These are brass body with a steel or iron shackle. I also doubt that they were used for a cannon though. Maybe ill follow squelchtones advice & try the antiques forum.

[GWiens2001]

The body. Here is the post I spoke of

Gordon

[G-lock]

The body. Here is the post I spoke of

Gordon

Ive seen that style before but these are different. The key for this lock has no threads it only turns a screw special screw that goes through a hole in the shackle to retain it. Kind of like a older screw type railroad lock which is what im thinking these might have been used for. The key in the pic is not a original but ive seen a original before from 1 of the sellers & it looks similar just steel. Its a simple hollow key cut in half. Another thing is most of the time when i see the type of lock in your post they are normally noticeably different from eachother & look hand made even the shackles normally vary enough to notice. I have seen 5 or 6 of these and they all look exactly the same.

[G-lock]

Heres another pick of the lock open but the screw is in the locked position.

[FancyPants]

I'm not aware of any other popular uses for these locks, so I can't say for certain that's the life your lock was brought into, but I know that these screw type locks were widely used in and around railroads. Not much to go by, but hopefully points you in the right direction.

Edit: d'oh replying when tired, didn't read one of your comments saying they might be railway locks. Don't mind me