Crystal Set

The last of my cuttings gives details for building a crystal set. There were many different designs, mostly trying to improve the "Q" of the coil and so the selectivity. Any of you who have tried to build one of these things, hearing the radio stations is not usually the problem - it is hearing them one at a time. But here the listener is simply trying to get the most volume, and a very simple circuit is described - presumably sacrificing selectivity for output.