Lot of 2 McGraw-Hill Vacuum Tube Electronics Books Electron-Tube Circuits & Semiconductor Electronics Crew neck $200 down on 1-6-26

$200 down on 1-6-26

making it a scarce survivor of wartime electronics supply packaging

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

and airborne meteorological systems during the closing months of WWII and early postwar period

Lot of 2 McGraw-Hill Vacuum Tube Electronics Books Electron-Tube Circuits & Semiconductor Electronics Crew neck $200 down on 1-6-26Offered 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