pdf BTL History 6: Electronics Technology (1925-1975) Popular
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BTL_History_Electronics_Technology_1925-1975_HESBS_v6_1985_ocr_tci.pdf
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370 pages, 8MB. A History of Engineering and Science in the Bell System - Electronics Technology (1925-1975). Copyright and First Printing 1985. Chapters on the Transistor, Silicon Integrated Circuits, Electron Tubes, Optical Devices, Magnetic Memories, Piezoelectric Devices, Relays and Switches, Capacitors and Resistors, and Thin-Film Circuits. Contributed, scanned and OCRed by Sam Etler. Cover, bookmarks and size reduction by Karl Brose. Processed by Paul Fassbender.
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