A Popular account of Radium and other Radio-active Elements treated experimentally.
Including a number of Radium Photographs and other Illustrations.
By LEONARD A. LEVY and HERBERT G. WILLIS.
PRICE 2s. 6d. net; post free 2s. 9d.
From Radio-Active Substances by Marie Curie.
A Popular account of Radium and other Radio-active Elements treated experimentally.
Including a number of Radium Photographs and other Illustrations.
By LEONARD A. LEVY and HERBERT G. WILLIS.
PRICE 2s. 6d. net; post free 2s. 9d.