Category:Vacuum tubes

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Vacuum tubes aka Thermionic valves

Subcategories

This category has the following 8 subcategories, out of 8 total.

C

Cathode ray tubes‎ (5 C, 328 P)

D

Diode tubes‎ (33 P)

H

Heptodes‎ (1 P)

N

Nuvistors‎ (8 P)

P

Pentodes‎ (108 P)

S

Selected Tubes‎ (2 P)

T

Tetrodes‎ (7 P)
Triodes‎ (82 P)

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Tubes