Roll Your Own All-wave 3-circuit Tuner – Crystal Set
Popular Mechanics May 1942
Crystal radio have remained at least a little popular since the early days of radio, this one is from 1942, well into the tube era, and still producing new designs
Just as popular today, Crystal radios are not main stream today, but there are still a lot of people building and operating them
Roll Your Own All-wave 3-circuit Tuner – Crystal Set Popular Mechanics May 1942
