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Mullard–Philips tube designation (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Mullard–Philips tube designation" in English language version.

refsWebsite
Global rank English rank
3r-type.org
low place
low place
3web.archive.org
1st place
1st place
1pocnet.net
low place
low place
1tubedata.info
low place
low place
1tubecollector.org
low place
low place

pocnet.net

frank.pocnet.net

r-type.org

tubecollector.org

tubedata.info

  • "Preferred Types of Electron Tubes 1967" (PDF). Archived from the original (PDF) on 2011-09-28. Retrieved 17 May 2013.

web.archive.org

  • "Preferred Types of Electron Tubes 1967" (PDF). Archived from the original (PDF) on 2011-09-28. Retrieved 17 May 2013.
  • tubecollector.org: Receiving valves - Mullard/Philips code (e.g. ECC83, PL81, E88CC)
  • "Cold cathode tubes ZnnnA". Archived from the original on 2018-04-29. Retrieved 17 May 2013.