Chapter titles include .
(1) Introduction .
(2) The Effect of Cathode Operating Temperature on Tube Life .
(3) The Effect of Bulb Temperature on Tube Life .
(4) Advantages and Disadvantages of Cathode Bias .
(5) Bias Circuits .
(6) Cathode-Current Stability and Maximum Permissible Grid Resistance .
(7) Correlation Between Cathode Current and Other Tube Properties .
(8) Effects of Structure on Pentodes, Tetrodes, and Beam-Power Tubes .
(9) Limitation of Screen-Grid Dissipation by Series Resistor .
(10) Use of a Screen Resistor Permitting Higher Values of Control-Grid Resistance .
(11) Development of Composite Operating Curves .
(12) Probable Operating Conditions of a Four-Tube String .
(13) Comparison with Constant Voltage Operation .
(14) Application of Composite Heater Voltage-Current Curves .
(15) Transient Conditions .
(16) The Honeycomb Construction .
(17) Warm-Up and Operating Time .
(18) Heater-Cathode Leakage .
(19) Parallel Operation of Electron Tubes .
(20) Application Data on 20 Tube Types Covered in MIL-STD-200D .
(21) Tube Data.