Abstract
ELECTRIc valves have been rapidly coming to the-front during recent years for many and varied purposes. For example, the building of large alternating current power stations to replace direct current stations scattered over a wide area has raised the problem of whether it is possible to utilise the old machinery. The invention of the mercury arc rectifier has in several cases prevented the old machines being scrapped. For broadcasting use there has been a great demand for small rectifiers. Valves are also used to produce high frequency oscillations, to act as cut-outs so as to prevent reverse currents, to measure small alternating currents, and for many other purposes.
Electric Rectifiers and Valves.
By Prof. Dr. A. Güntherschulze. Translated and revised by Norman A. de Bruyne. Pp. ix + 212 + 10 plates. (London: Chapman and Hall, Ltd., 1927.) 15s. net.
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Electric Rectifiers and Valves . Nature 122, 604–605 (1928). https://doi.org/10.1038/122604b0
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DOI: https://doi.org/10.1038/122604b0
