Cathode ray
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Changed: 1c1
An old name for a beam of
electron
s.
An old name for a beam of
electron
s. So called becuase electrons are emitted from the
cathode
of a
vacuum tube
device.
An old name for a beam of
electron
s. So called becuase electrons are emitted from the
cathode
of a
vacuum tube
device.
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