OF PRACTICAL PHYSICS.= By C. E. ASHFORD, M.A.,
Headmaster of the Royal Naval College, Osborne. Fcap. 4to., 1s. 6d.

=PHYSICAL DETERMINATIONS.= A Manual of Laboratory Instructions for the
Determination of Physical Quantities. By W. R. KELSEY, B.Sc., A.I.E.E.,
Lecturer in Physics to the Bradford Municipal Technical College. 4s. 6d.

=ELECTROLYTIC PREPARATIONS.= Exercises for use in the laboratory by
chemists and electro-chemists. By Dr. KARL ELBS, Professor of Chemistry
at the University of Giessen. Translated by R. S. HUTTON, M.Sc. Demy 8vo.,
4s. 6d. net.

=THE ELECTRIC FURNACE.= By HENRI MOISSAN, Professor of Chemistry at the
Sorbonne. Authorized English Edition. Translated by A. T. DE MOUILPIED,
M.Sc., Ph.D. With Illustrations. Demy 8vo., 10s. 6d. net.

=ELECTRICAL TRACTION.= By ERNEST WILSON, Wh.Sc., M.I.E.E., Professor of
Electrical Engineering in the Siemens Laboratory, King's College, London.
Crown 8vo., 5s.

=ELECTRICITY AND MAGNETISM.= By C. E. ASHFORD, M.A., Headmaster of the
Osborne Royal Naval College, late Senior Science Master at Harrow School.
With over 200 Diagrams. Crown 8vo., 3s. 6d.

=MAGNETISM AND ELECTRICITY.= An Elementary Treatise for Junior Students,
Descriptive and Experimental. By J. PALEY YORKE, of the Northern
Polytechnic Institute, London. With nearly 150 Illustrations. 3s. 6d.

=THE BALANCING OF ENGINES.= By W. E. DALEY, M.A., B.Sc., M.Inst.C.E.,
M.I.M.E., Professor of Mechanical Engineering and Applied Mathematics in
the City and Guilds of London Technical College, Finsbury. With 173
Illustrations. Demy 8vo., 10s. 6d. net.

=THE STRENGTH AND ELASTICITY OF STRUCTURAL MEMBERS.= By R. J. WOODS, Master
of Engineering, Royal University of Ireland, Fellow of the Royal Indian
Engineering College, and Assistant Professor of Engineering Cooper's Hill
College. Demy 8vo. 10s. 6d. net.

=TRAVERSE TABLES.= With an Introductory Chapter on Coordinate Surveying. By
HENRY LOUIS, M.A., A.R.S.M., F.I.C., F.G.S., etc., Professor of Mining and
Lecturer on Surveying, Durham College of Science, Newcastle-on-Tyne; and
G. W. CAUNT, M.A. Demy 8vo., 4s. 6d. net.

=THE CALCULUS FOR ENGINEERS.= By JOHN PERRY, M.E., D.Sc., F.R.S., Professor
of Mechanics and Mathematics in the Royal College of Science, etc. Crown
8vo., cloth, 7s. 6d.

=ELECTRIC AND MAGNETIC CIRCUITS.= By ELLIS H. CRAPPER, M.I.E.E., Head of
the Electrical Engineering Department in the University College, Sheffield,
viii + 380 pages. Demy 8vo.,