Lot of 2 McGraw-Hill Vacuum Tube Electronics Books Electron-Tube Circuits & Semiconductor Electronics Crew neck Data plate is marked T-39/APQ-9

Data plate is marked T-39/APQ-9 with operating specifications and 1944 contract markings

This example features the classic compact knife configuration with a single-edged spear point blade and a central fuller

Features: Bail ring

$200 down on 1-6-26

Order number: 7461-WF-43

Lot of 2 McGraw-Hill Vacuum Tube Electronics Books Electron-Tube Circuits & Semiconductor Electronics Crew neck Data plate is marked T-39/APQ-9Offered is a lot of two classic McGraw Hill engineering textbooks covering vacuum tube circuits and early semiconductor electronics. These books were standard references for engineering students, radio technicians, and electronics professionals during the transition from vacuum tubes to semiconductor devices. Included are: Electron Tube Circuits, Second Edition by Samuel Seely Vacuum Tube and Semiconductor Electronics by Jacob Millman Both are part of