Sleeper Radio Construction Sets -1922A.jpg Scientific American 1897-09-11ThumbnailsScientific American 1897-09-11ThumbnailsScientific American 1897-09-11ThumbnailsScientific American 1897-09-11Thumbnails
You can buy full kits from Sleeper, to construct your own radio receiving set. Brand new super-regenerative receiver kit, based on the Armstrong patents, for only $59.65. That's several hundred dollars in today's depreciated currency! Published in the October, 1922 issue of RADIO NEWS..



Source: Magazine collector Steve Davis

Restoration by: magscanner