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EM34

magic eye tube
class vacuum_tube_model Q1275143
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EM34

Summary

EM34 is a vacuum tube model[1]. EM34 is known by 3 alternative names across languages and contexts.[2]

Key Facts

  • EM34's image is recorded as EM34-Ansicht.jpg[3].
  • EM34's instance of is recorded as vacuum tube model[4].
  • EM34's subclass of is recorded as magic eye tube[5].
  • EM34's Commons category is recorded as EM34 (vacuum tube)[6].
  • EM34's described at URL is recorded as http://www.jogis-roehrenbude.de/Roehren-Geschichtliches/Mag_Augen/EM34.htm[7].
  • EM34's described at URL is recorded as http://frank.pocnet.net/sheets/030/e/EM34.pdf[8].
  • EM34's Google Knowledge Graph ID is recorded as /g/122d82qt[9].
  • EM34's complies with is recorded as Mullard–Philips tube designations[10].
  • EM34's Radiomuseum vacuum tube/transistor ID is recorded as em34[11].

Why It Matters

EM34 is known by 3 alternative names across languages and contexts.[2]

Related Entities

magic eye tube

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . wikidata.org.
  9. [11] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). EM34. Retrieved March 19, 2026, from https://4ort.xyz/entity/em34
MLA “EM34.” 4ort.xyz Knowledge Graph, 4ort.xyz, 19 Mar. 2026, https://4ort.xyz/entity/em34.
BibTeX @misc{4ortxyz_em34_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{EM34}}, year = {2026}, url = {https://4ort.xyz/entity/em34}, note = {Accessed: 2026-03-19}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): EM34 — https://4ort.xyz/entity/em34 (retrieved 2026-03-19)

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