I recently picked up a load of data on industrial valves, as listed below. If anyone wants data on a specific device, please email me & I'll put it online. Note - I don't have data on the RCA 4879 photomultiplier, which seems to be the most popular request!
EEV/MOV 'Professional Electron tubes 1982-3' specs (but not full data sheets) on ignitrons,rectifiers, H2 and mercury thyratrons, power valves, vacuum capacitors, microwave tubes, electro-optical devices, CRTs sparkgaps, Geiger tubes.
GEC valves and CRTs for industry 1959 specs (but not full data) on Transmitting valves, industrial heating valves, rectifiers, H2 and argon thyratrons, magnetrons, klystrons, TWTs, scope tubes, geiger tubes, voltage stabilisers,
RCA Tube handbook HB-3 photosensitive devices and thyratron, ignitron & glow-discharge sections Full data sheets on Photocells, photomultipliers, thyratrons, ignitrons, voltage regulators
AEI Industrial and microwave valves (1962) Full data on Ignitrons, thyratrons (Xe,H2,Hg) and rectifiers
English Electric Valve Co. Valve data book Vol. 3. (1958-67) Full data on storage tubes, image intensifiers, camera tubes, photomultipliers, CRTs, H2 Thyratrons, Vacuum capacitors, cold-cathode tubes, ozotrons (!), laser tubes
Various GEC data sheets 1964, UHF valves, thyratrons, radar crts & general valves.
Mullard Tech handbook Vol. 3 parts 2 & 3 1960-67 Full data on Gasfilled valves & tubes (nixies, dekatrons & other counting tubes), microwave devices, power valves & rectifiers, ignitrons, thyratrons,
Mullard tech handbook Book 2 part 3 gasfilled tubes, 1969 Full data on Voltage stabilisers, nixie and counter tubes, thyratrons, ignitrons, rectifiers
Data sheets available on-line :