10 OCTOBER 1914, Page 24

So much is heard just now of the subject with

which it deals that many readers will be inclined to study Professor Rupert Stanley's Text-Book on Wireless Telegraphy (Longman and Co., 7s. 6d. net). It is not very easy reading, but is up-to-date and scientific, and may be recommended to students. The illustrations are numerous and excellent.