Caption: Diagram illustrating noise flow through a typical muffler
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 14.85 MB

Caption: Diagram of a two-cavity klystron, used as an amplifier and RF signal source at microwave frequencies, and also as an oscillator.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 26.88 MB