# Oscilloscopes

{
  "id": "S85021031",
  "title": "Oscilloscopes",
  "url": "/topics/S85021031",
  "kind": "topic-directory",
  "aeo_cohort": "topic-directory",
  "provider": "lcsh",
  "revision": "5d306620fb8ab3c1",
  "catalogue_revision": "f050b5d4780b1289",
  "numeric_address": "9514008161695172100",
  "address_version": "morton4x16-v1",
  "coordinates": [
    0,
    20,
    17733,
    39936
  ],
  "answer_status": "Directory metadata; local answer requires separate source review",
  "truth_status": "Subject descriptor, not a factual answer or a demonstrated knowledge gap"
}

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.]

Directory metadata is not a factual answer or evidence of a global knowledge gap.

Source: https://id.loc.gov/authorities/subjects/sh85021031

No owner-reviewed local answer yet.