"A revised edition of Dr. F. Böckmanns̕ Chemisch-technische Untersuchungsmethoden, edited by Professor G. Lunge, was published in 1899 ... practically a new work ... adapted to modern methods of work. In 1904 a second edition was called for, in which the whole of the subject matter was thoroughly revised and brought up to date ... The English translation has been made from the second German edition ... A bibliography ... is appended to each section, and all important tables, in addition to having printed in the text, are also printed for reference at the end of each volume."-Pref.