Building A Crystal Radio Out Of Household Items - Several simple radio receiver projects, including the razor blade "foxhole" radio, that use found materials. Well illustrated with closeup photographs.
R. G. Wells - The transcript of an interview with Lieutenant Colonel R. G. Wells, who built a rather elaborate set out of scrounged and improvised items while in a POW camp during World War II. Provided by the Centre for the History of Defence Electronics (CHiDE).