Attached are some pics of a nicely finished brass tool. It has a "10" stamped on one end. Can anyone tell me what it actually does and how it works. Patent date may help.

[Linked Image from i.imgur.com]

[Linked Image from i.imgur.com]

[Linked Image from i.imgur.com]

[Linked Image from i.imgur.com]

[Linked Image from i.imgur.com]

[Linked Image from i.imgur.com]

Last edited by Daryl Hallquist; 05/29/25 11:58 AM.