Links to Glowbugs Sites.

Mark Dittmar's site: Hartley's, Regens, and an MOPA.


An excellent few pages describing an early style TNT (Tuned-Not-Tuned) transmitter:


Electric Radio Magazine's site.


Ben Tongue's Site.

Ben was the co-founder of the Blonder-Tongue Company, and is a very knowledgeable, and fine gentleman.

Technical talk about Crystal Radio Design, Late 1920's TRF Radios, Antique Hearing Aids and Blonder-Tongue Labs