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Subjects (1-4 of 4)
Electronic instruments

-- See Also the narrower term Aeronautical instruments


-- See Also the narrower term Automatic test equipment


-- See Also Electronic apparatus and appliances

--subdivision Electronic equipment under types of industries and individual land vehicles and types of land vehicles, e.g. Construction industry--Electronic equipment; Automobiles--Electronic equipment

-- See Also the narrower term Oscilloscopes

Here are entered works on test instruments in which the variations in an electrical quantity appear temporarily as a visible waveform on the screen of a cathode ray tube. Works on instruments that combine an oscilloscope with a camera to produce a permanent record of a waveform are entered under Cathode ray oscillographs.
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