THE STUDENT'S TEXT-BOOK OF ELECTRICITY. By Henry M. Noad, Ph.D., F.R.S. New Edition, carefully Revised. With Introduction and Additional Chapters, by W. H. Preece, M.I.C.E. Crown 8vo, 12s. 6d. cloth.

Electricity.

A MANUAL OF ELECTRICITY: Including Galvanism, Magnetism, Dia-Magnetism, Electro-Dynamics. By Henry M. Noad, Ph.D., F.R.S. Fourth Edition (1859). 8vo, £1 4s. cloth.



ARCHITECTURE, BUILDING, etc.

Building Construction.

PRACTICAL BUILDING CONSTRUCTION: A Handbook for Students Preparing for Examinations, and a Book of Reference for Persons Engaged in Building. By John Parnell Allen, Surveyor, Lecturer on Building Construction at the Durham College of Science, Newcastle-on-Tyne. Medium 8vo, 450 pages, with 1,000 Illustrations. 12s. 6d. cloth.

[Just published.