TY - GEN AU - Austin V. Eastman TI - Fundamental of Vacuum Tubes / U1 - 621.381512,EAS PY - 1949/// CY - America PB - Mc Graw- Hill KW - Telecommunication Engineering N1 - Introductions to Part I (Page-3), Electronic Emission (Page-5), Construction of Vacuum Tubes (Page-23), High Vacuum Tubes (Page-37), Gas Field Tubes (Page-93), Photoelectric Tubes (Page-132), Part II: Application and Circuits (Page-163). ER -