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Vintage National Technical Schools (NTS) home study correspondence course lot in good vintage condition.This lot includes:* Student Guide Book
* Electronics Television-Radio lesson manuals
* Mathematics lesson manuals
* Electronics examination booklet
* Programmed Instruction Review Examiner
* Programmed Tutor
* “Your Future in Electronics” booklet
* Additional course materials shown in photosLessons include topics such as:* Photoelectric Cells
* Photoelectric Relays & Thyratrons
* Electronic Controls
* Electronic Welding
* Welding Controls & Timers
* Inverters & Voltage Regulators
* Mathematics lessonsThese are original National Technical Schools training materials from the mid-20th century and make an excellent addition to any vintage electronics, radio, engineering, or educational collection.
