[Linked Image from i.imgur.com]

Here is a picture of the inside of the right hand lock of the Cogswell Gibbs and Pitt gun.

I think the number 1028 is a patent use number.

Note that the polish on the bottom of the mainspring suffices to act as a mirror after almost 140 years.

I thought at first that the intercepting safety sear was covered by Holland’s 1887 patent but as this gun dates from 1882 or thereabouts it must be part of an earlier patent.

Last edited by Parabola; 11/28/21 06:37 PM. Reason: Typo