The 6080WA is a series pass valve much used in professional equipment for stabilised power supplies. The 6080 family had four variants 6080, 6080WA, 6080WB and 6080WC.The basic 6080 has single mica discs. For a longer life when subjected to vibration the mica discs are doubled as in this case. This is the nature of the speciality quality W suffix.
The Thomson-CSF logo and company name.
The each anode is formed by two flat ended U channels - one each side of the central cathode and control grid.
One triode showing the pair of anodes that work together.
The double top mica, the control grid radiating fin above and the gold plated grid winding passing flat across the cathode.
The control grid heat sinks are semi circular.
The composition base with solid pins.
The wide glass tube envelope is 38 mm in diameter and, excluding the base pins, is 85 mm tall.
Reference: Data-sheet. Type 6080WA was first introduced in 1961. See also1961 adverts.
