A MANUAL of ELECTRICITY; including Galvanism, Mag-netism, Diamagnetism, Electro-Dynamics, Magneto-Electricity, and the Electric Telegraph. By Henry M. Noad, Ph.D., F.C.S. Fourth Edition, with 500 Woodcuts. 8vo, \l. 4s. cloth. " The accounts given of electricity and galvanism are not only complete in a scientific sense, but, which is a rarer thing, are popular and interesting." - Lancet.

Text-Book Of Electricity

THE STUDENT'S TEXT-BOOK OF ELECTRICITY. By Henry M. Noad, Ph.D., F.R.S., etc. New Edition, Revised. With an Introduction and Additional Chapters by W. II. Preece, M.I.C. E., Vice-President of the Society of Telegraph Engineers, etc. With 470 Illustrations. Crown 8vo, 12s. 6d. cloth. "A reflex of the existing state of Electrical Science adapted for students." - W. H. Preece, Esq., vide " Introduction."

" We can recommend Dr. Noad's book for clear style, great range of subject, a good index, and a plethora of woodcuts. Such collections as the present are indispensable." - Athenanm.

" An admirable text-book for every student - beginner or advanced - of electricity." - Engineering.

" Recommended to students as one of the best text-books on the subject that they can have. Mr. Preece appears to have introduced all the newest inventions in the shape of telegraphic, telephonic, and electric-lighting apparatus." - English Mechanic.

" Under the editorial hand of Mr. Preece the late Dr. Noad's text book of electricity has grown into an admirable handbook." - Westminster Review,

Electric Lighting

ELECTRIC LIGHT : Its Production and Use, embodying plain Directions for the Working of Galvanic Batteries, Electric Lamps, and Dynamo-Electric Machines. By J. W. Urquhart, C.E., Author of " Electroplating." Edited by F. C. Webb, M.I.C.E., M.S.T.E. With 94 Illustrations. Crown 8vo, 7s. 6d. cloth.

"The book is by far the best that we have yet met with on the subject." - Athcucpum.

"An important addition to the literature of the electric light. Students of the subject should not fail to read it." - Colliery Guardian.