Abstract
To anyone desiring instruction in the principles underlying the working of modern radio apparatus this work can be recommended. It is necessary to have a working knowledge of electricity and magnetism and the principles of wave motion. This is given first, and then we have chapters on aerials, receivers, masts, thermionic valves, and triodes — their use as amplifiers being explained. There is a good chapter on the frequency stabilisation of transmitters, descriptions being given both of control by tuning-forks and by quartz oscillators. The design of a modern broadcast radio receiver is fairly fully described, and also the use of a.c. and d.c. eliminators.
The Elementary Principles of Wireless Telegraphy and Telephony.
R. D. Bangay. Third edition, revised by O. F. Brown. Pp. xii + 268. (London: Iliffe and Sons, Ltd., 1930.) 10s. 6d. net.
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Our Bookshelf. Nature 127, 367 (1931). https://doi.org/10.1038/127367a0
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DOI: https://doi.org/10.1038/127367a0
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