A PW Ultra Crystal Set
Popular Wireless & Wireless Review 26 June 1926
A good, complete article on building a crystal receiver set, with details on how it works, how to build it
Also has great background information on building a crystal receiver set and the design has a very good looking finished product
One of the reasons I like the 1920s articles on radio construction is the finished device is almost always a great looking radio, as well as being functional
A PW Ultra Crystal Set – Popular Wireless & Wireless Review 26 June 1926
