Wireless Transmission of Photographs / Second Edition, Revised and Enlarged 1919

by Marcus J. Martin

The Maintenance of Wireless Telegraph Apparatus.

By P. W. Harris. An up-to-date Manual, full of practical hints and explanations. Diagrams of all ship installations, from ¼ kw. to 5 kw. Price 2s. 6d. net. (Postage 4d.)

Dictionary of Technical Terms used in Wireless Telegraphy.

By Harold Ward. Vest Pocket Edition. 2nd Edition, revised and enlarged. Contains over 1500 definitions. Price 2s. 6d. net. (Postage 2d.)

Armature Model for 1½ kw. Rotary Converter.

Shows every Winding of the Converter Armature from start to finish. Price 1s. net. (Postage 3d.)

Morse Made Easy.

By A. L. Rye. Linen backed, for rapidly learning the Morse Code. Price 3d. net, or post free 3½d.

Morse Code Card.

Contains full alphabet, with punctuation marks, figures, abbreviations and contractions. Price 2d., post free.