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Fortunately for chemists, Dr. Feigl's zeal in developing new spot tests remains unabated, and he continues to publish his results in revisions of his original monograph. This edition is in two volumes because, for the first time, the material on spot testing organic compounds is extensive enough to require separate treatment. Each volume is complete in itself. Much of the work reported is not published elsewhere, but the work of others is not neglected, and the bibliographies are a valuable feature. The organization of the material is logical, directions for specific tests are clear, and the index appears to be exhaustive. The volumes are handsomely printed and are bound in flexible cloth. Dr. Oesper's translation is so literal that the work is difficult to read. This defect of the translation is made all the more apparent by contrast with the chapter on techniques for spot testing written in simple, idiomatic
Spot Tests. Volume I: Inorganic Applications. Volume II: Organic Applications. JAMA. 1954;156(8):800. doi:10.1001/jama.1954.02950080048028