W Scales -- Faber Castell 2/83 Style

Описание к видео W Scales -- Faber Castell 2/83 Style

I describe the usage of the double length W scales which give a 5" slide rule the precision of a 10" and a 10" slide rule the precision of a 20". My apologies for the wacky brightness -- after YouTube killed the video editor, it's a bit harder to work with the raw video.

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