Thermionic Vacuum Tubes, Bell Telephone Laboratories Monograph Reprint B-170, August 1926. Robert W. King.

Thermionic Vacuum Tubes, Bell Telephone Laboratories Monograph Reprint B-170, August 1926.

Bell Telephone Laboratories, Monograph B-170, reprint of paper published in The Bell System Technical Journal vol II, october 1923; separately paginated, 70 pages, diagrams and some photographs.

Condition: Very Good, light blue heavy paper covers, stapled binding, softcover, 3-hole punched at margin. Has lightly inked words, Vacuum Tubes, along top of front cover. Secure binding, toned along outer margins; pages clean and unmarked.

Keywords: thermionic vacuum tubes, valves in the 1920s, bell telephone laboratories monograph B-170

Price: $8.00

Item Description

A Brief Discussion of the Properties of Thermionic Tubes with Directions as to their use in their various Capacities.