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This presents a phase of the subject that is glossed over in the majority of books on x-rays. It is mainly a treatise on x-ray measurements and the engineering fundamentals concerned with the production of x-rays and therefore will be found to be of the utmost practical value to those who are engaged in the technical phases of x-ray work. A considerable portion of the book covers the physical measurements of currents, of wavelengths, of energy and of ionization. A chapter on the biologic measurement of x-rays is especially illuminating and the physician specialist in roentgen therapy will find much that is rational from the practical point of view. It will give him satisfactory reasons for the results or lack of results that are obtained in everyday roentgen therapy. The authors discount the biologic measurements and present a strong case in favor of the scientific ionization method of measuring x-ray
X-Ray Technology: The Production, Measurement and Applications of X-Rays.. JAMA. 1930;94(20):1623-1624. doi:10.1001/jama.1930.02710460077035