‘Any one desirous of undertaking the practical work of electric bell-fitting will find everything, or nearly everything, he wants to know.’—Electrician.

By S. R. Bottone.

THE DYNAMO: How Made and How Used. Tenth Edition, with additional matter and Illustrations. 2s. 6d.

HOW TO MANAGE A DYNAMO. By the same Author. Second Edition, Revised. Illustrated. Pott 8vo, cloth. Pocket size. 1s.

‘This little book will be very useful.’—Electrical Engineer.

By Sir David Salomons, Bart., M.A., Vice-President of the Institution of Electrical Engineers, etc.

ELECTRIC-LIGHT INSTALLATIONS, AND THE MANAGEMENT OF ACCUMULATORS. A Practical Handbook. Sixth Edition, Revised and Enlarged, with numerous Illustrations. 6s.

‘To say that this book is the best of its kind would be a poor compliment, as it is practically the only work on accumulators that has been written.’—Electrical Review.

By J. Gray, B.Sc.

ELECTRICAL INFLUENCE MACHINES: containing a Full Account of their Historical Development, their Modern Forms, and their Practical Construction. 4s. 6d.