This page provides a folder/explore style site map that allows you to browse by category or simply search the page for key words of interest.
https://mpkb.org/home/waves/outline
https://mpkb.org/home/waves/effects https://mpkb.org/home/waves/measuring
https://mpkb.org/home/waves/measuring/meters https://mpkb.org/home/waves/measuring/meters/buying https://mpkb.org/home/waves/measuring/meters/using
Here are some options:
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