Technology

THE second edition of this standard work, which was originally published at 8s. 6d., now makes its appearance at a considerably increased price. Unfortunately, a careful comparison of the new and old texts does not reveal as much new treatment of the original subject matter as one is led to expect from the preface. Nevertheless, several new features appear in connexion with recent developments in the various kinds of machines which are described, particularly in the case of bag sewing machines. References are made to modern applications of electric driving and heating, to safety devices, and to improved methods of mechanical adjustment. In addition, the chapter on waterproofing and fire-proofing has been almost completely rewritten.The Finishing of Jute and Linen Fabrics.By Thomas Woodhouse. Pp. xxi + 346. (London: Macmillan and Co., Ltd., 1928.) 18s. net.