The manufacture of varnishes and Kindred industries. Vo. J. The Crushing, Refining and Boiling of Linseed and other Varnish Oils. A. Lovache and J. G. McInthosh. Third edition, revised by C. Harrison. Pp. viii + 498. (London: Scott, Greenwood & Son, 1919,) Price 17s. 6d. net.