12 NOVEMBER 1921, Page 25

The British Science Guild, of 6 John Street, Adelphi, has

done a good piece of work for all who are interested in natural science by compiling and publishing A Catalogue of British Scientific and Technical Books (108. net). A committee, of which Sir Richard Gregory, the editor of Nature, was chairman, prepared the catalogue, which makes a substantial volume of some four hundred pages, well printed and well indexed. It is classified under subjects and gives details of all books that are included in the current lists of publishers. We have tested the catalogue and find it remarkably full and accurate, even for special scientific industries. Mathematics, navigation, medicine, agriculture and photography are among the subjects treated. Every manufacturer certainly ought to have a copy, for the rapid development of British scientific work is probably better known abroad than at home.