30 MAY 1891, Page 27

Illustrations of David Kirkaidy's System of Mechanical Testing. By William

G. Kirkaldy. (Sampson Low and Co.)—A handsome 'quarto volume, copiously furnished with tables and illustrations, relates the history and results of a method of testing the strength of steel, iron, stone, brick, cement, ropes, and other things. A sketch of the inventor's life and work is given.