"domestic receiver-amplifier lamps and their foreign counterparts," 1974
the condition is excellent.
b.in.Katsnelson, A. S. Larionov.
second edition, revised and enlarged.
publishing house "energy" Moscow 1974
464 p. Il.
the Handbook includes data for letter receiving and amplifying tubes, the model parameters and characteristics, as well as details of some foreign lamps is unmatched.
the directory is designed for engineers and technicians working with electronic equipment.