DYNAMO MACHINERY, ORIGINAL PAPERS ON. With 98 Illustrations. 5s.

‘Must prove of great value to the student and young engineer.’—Electrical Review.

By S. R. Bottone.

ELECTRICAL INSTRUMENT-MAKING FOR AMATEURS. A Practical Handbook. With 78 Illustrations. Sixth Edition, Revised and Enlarged. 3s.

‘To those about to study electricity and its application this book will form a very useful companion.’—Mechanical World.

By S. R. Bottone.

ELECTRO-MOTORS: How Made and How Used. A Handbook for Amateurs and Practical Men. With 70 Illustrations. Third Edition, Revised and Enlarged. 3s.

‘We are certain that the knowledge gained in constructing machines such as described in this book will be of great value to the worker.’—Electrical Engineer.

By S. R. Bottone.

ELECTRIC BELLS, AND ALL ABOUT THEM. A Practical Book for Practical Men. With more than 100 Illustrations. Fifth Edition, Revised and Enlarged. 3s.