re: double bite

Here is the relevant part of the drawing from the Lefaucheux breech-loading patent from the 1833 addendum that the first pinfires are based on:



Also, here is the original Lefaucheux breech-loading patent from 1832:


I am currently working on an article on the first pinfire and what it took to get there. (Feel free to sign up for the email list on my webpage to get alerts when I write new articles: link in my signature)

https://AaronNewcomer.com & The Lefaucheux Museum