“Splendid handbooks.”Birmingham Gazette.

Science Histories.

Each 160 pages, with Illustrations; cloth, 1s. net, by post 1s. 3d.
The thirteen vols. post free 14s.

ASTRONOMY.

By Professor GEORGE FORBES, M.A., F.R.S., M.Inst.C.E.

CHEMISTRY. In two vols. Vol. I.: 2000 B.C. to 1850 A.D. Vol. II.: 1850 to Date.

By Sir EDWARD THORPE, C.B., D.Sc., F.R.S., Director of the Government Laboratories, London; Professor-Elect and Director of the Chemical Laboratories of the Imperial College of Science and Technology, South Kensington, etc.