Abstract
MR. KEMPTON'S little book gives a good introduction to “radiomateriology,” that is, to the examination of materials by means of X-rays. The art has made great strides since the War, and_ by means of the power ful high voltage apparatus now employed, steel forgings and castings several inches thick can be satisfactorily tested. Examination by X-rays is of particular value for detecting flaws in metallic products and for examining welds and joints made by brazing or solder ing. It is also specially useful for examining timber, reinforced concrete, electrical insulating materials, and precious stones. The author describes the apparatus used in industrial radiology and gives interesting radiographs. Complete installations for the X-ray examination of materials are described, and due stress is laid on the importance of protective screens and safety devices. In the table of spark-gap voltages given, it is interesting to note that for a given spark-gap the disruptive voltage increases with the size of the spherical electrodes up to a certain value and then diminishes for larger electrodes. This is in accordance with theory.
The Industrial Applications of X-rays.
P. H. S.
Kempton
By. (Pitman's Technical Primers.) Pp. xiii + 112. (London: Sir Isaac Pitman and Sons, Ltd., 1922.) 2s. 6d. net.
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The Industrial Applications of X-rays. Nature 111, 665 (1923). https://doi.org/10.1038/111665b0
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DOI: https://doi.org/10.1038/111665b0