YouTube is your friend, in addition to checking out Mr Pete 222 aka tubalcain, look for gear cutting on Keith Rucker's vintage machinery site
https://www.youtube.com/results?search_query=keith+rucker
https://www.youtube.com/results?search_query=mr+pete+222
https://www.youtube.com/results?search_query=keith+rucker
https://www.youtube.com/results?search_query=mr+pete+222