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3

Appleyard's paper Pioneers of Electrical Communication part 5 – Heinrich Rudolph Hertz (Electrical Communication, 6 (1927) no.2, pp. 63-77) has a number of photographs of Hertz's experimental devices, including the apparatus he used to study the photoelectric effect in 1887 (Hertz did not use the name) after discovering the influence of light on production ...


5

Electronics, (subtitled 'radio, communication, industrial applications of electron tubes ... engineering and manufacture') was published by McGraw Hill. Not a journal per se, more of an industry magazine. One place to find old copies is through World Radio History, which includes a pdf of the April 1936 issue in question. Indeed, on page 14 is the article ...


7

This likely refers to Heisenberg's non-linear spinor theory of elementary particles, on which he worked from 1953 to the end of his life. There was a prominent write-up in an unpublished 1958 preprint with Pauli, from which Pauli withdrew his name. Heisenberg later gave a lecture Quantum Electrodynamics in the Nonlinear Spinor Theory (1966) and published a ...


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