De Forest Receiving Sets -1921A.jpg De Forest Receiving Sets -1920AThumbnailsDebnel Hetro-Magnetic Receivers -1925ADe Forest Receiving Sets -1920AThumbnailsDebnel Hetro-Magnetic Receivers -1925ADe Forest Receiving Sets -1920AThumbnailsDebnel Hetro-Magnetic Receivers -1925A

Classic modular plug-in design, now with more options. Fifteen panel unit. They just look really, really impressive! Published in the February, 1921 issue SCIENCE AND INVENTION.



Source: Magazine collector Steve Davis

Restoration by: magscanner