Electrical Experimenter

First published in 1913 as ELECTRICAL EXPERIMENTER, the name was changed to SCIENCE AND INVENTION in 1920; the last issue was published in August 1931. One of Hugo Gernsback's famous technical magazines.

If you like old radio, you will like the e-book reprint of the 1922 Sears, Roebuck Electrical Goods and Radio Apparatus Catalog that Hidden Knowledge has published. Here's a writeup about it, with pictures. It's $2.99, free of DRM, and with all the pages rendered as images you can enlarge to see detail, and even print out. It's $2.99! Follow the link.