Technical books online! 4.22 gigabytes and still (slowly) growing! Over 100 titles! though much applies to any vintage electronic project. Has some transistor and semiconductor info but 90% vacuum tube, even a circuit for a tube-based VHF walke-talkie! There are even sections on "high-fidelity techniques" and "electronic computers"!
Various scanned technical and historic books that should be of interest to vintage radio collectors etc. 34 files available. Click a row in the table below to download the file.
Lot of vintage technical books on transistors from the estate of a shortwave radio enthusiast and electrical engineer. There Old 1942 book on electroplating w/copper, brass, gold, sliver, tin etc. Old WWII vintage -Modern Electroplating-, published in 1942 by The Electrochemical Society - .