LLM Wiki article / 1 minute read
Popular Science (May 1927) is one of the press outlets referenced by the archive page alongside Radio World as carrying coverage of Palmer H. Craig's Hall-effect device. The archive also references a Google News newspaper item dated 19270402. The source does not reproduce the Popular Science text.
Source illustrations for The bismuth battery. Captions identify the document and evidence type.
Radio World is the trade publication that carried the January 29, 1927 article (p. 11, byline Robert Bangs ) presenting Palmer H. Craig 's "electromagnetic detector and amplifier." The article claimed a $100,000 Westinghouse offer, reported that the plates "generate the energy necessary to operate the radio," and in the same pie
47 / Energy & machines
Trace the proposed conversion mechanism and its documentary gaps.
↗30 / Energy & machines
A crystalline material and an extraordinary amplification claim.
↗18 / Energy & machines
Trace the atmospheric electricity story back to its documents.
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