For those interested, here's a .pdf copy of the English translation I used: https://boffosocko.com/wp-content/uploads/2022/09/Introduction-to-the-study-of-hi-Langlois-Charles-Victor-1863.pdf

My notes can be found here: https://hypothes.is/users/chrisaldrich?q=urn%3Ax-pdf%3Aca559836029d87508ec36020c8e54bc3

Or if you prefer both together as an overlay: https://via.hypothes.is/https://boffosocko.com/wp-content/uploads/2022/09/Introduction-to-the-study-of-hi-Langlois-Charles-Victor-1863.pdf