3 ms·
The Professor Herning channel has a bunch of good videos on use and 'reviewing' different models: * https://www.youtube.com/@ProfessorHerning/videos https://ww
by throw0101c 4y ago
The Professor Herning channel has a bunch of good videos on use and 'reviewing' different models:
* https://www.youtube.com/@ProfessorHerning/videos https://www.youtube.com/@ProfessorHerning/videos
See also this old time-y US government film (C and D scales):
* https://www.youtube.com/watch?v=rJKmc4PVdh4 https://www.youtube.com/watch?v=rJKmc4PVdh4