Awesome, a wealth of information about glazes, clays, what goes into them, and more! Mr. Hansen's take on specific gravity and thixotropy of glaze, essential reading...
https://digitalfire.com/home

​Throwing, such a joy! Learn by doing, learn by watching; when you can't be there in person, there's the magic of "the internet" - enjoy!

  The Ingleton Pottery gentlemen (Dan, and his father) make it look easy. They've posted a lot of clips...
  www.youtube.com/user/youdanxxx/videos

  Mr. Lin's attention to detail is inspiring...
  www.youtube.com/user/hsinchuen/videos

  Ton a day Isaac Button! Search around and find all the clips...
   www.youtube.com/watch?v=fmG5NOmQy_4&t=5s

  Michael Casson - find the other two clips as well. His book is very worthwhile, imo.
   www.youtube.com/watch?v=19YjNGEtUYo
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  Genji Shimizu (artist name Hokujoh) - a lot to see here
   www.youtube.com/watch?v=ybb-HhSrtxA&t=8s

  NHK Ceramic Treasures series - some great stuff here
   www.youtube.com/playlist?list=PLUCSFSJSz477hmqwO98PWp940W_voWW7W

​  Clinton Pottery - production
   www.youtube.com/watch?v=Bs2tUxKQIic&t=70s 

  Tim See has posted several instructional clips. Note his centering style - he anchors on the away side; it works for him!
   www.youtube.com/user/timseepots

  Bill Van Gilder offers many useful pointers in his videos. I'm using three glaze formulas from his book.
   www.youtube.com/user/vangilderpottery/videos