Synopses & Reviews
Vacuum tubes are to the electronics industry what steam locomotives are to the railroading industry: hot, inefficient maintenance headaches. But like a steam locomotive, a tube has a simple fascinating charm that no high-tech chip can match. You must try
building a simple radio with tubes! It's easy, and it's cheap. Do you remember the excitement when you built your first crystal set. This is even better.
The secrets you need to build very early, simple radios with common tubes are here: what substitutions to make, how to modify the circuit, how to build a power supply, and more. It's really very easy! And you've gotta try it! This is your passport to loads of inexxpensive fun exploring the early days of radio. Get a copy of this, and get started!