Vol. I. Super royal 8vo. 21s. net.


THE ELECTRIC FURNACE.

By HENRI MOISSAN,
Membre de l'Institut; Professor of Chemistry at the Sorbonne.

AUTHORIZED ENGLISH EDITION.

Translated by A. T. de MOUILPIED, B.Sc., M.Sc., Ph.D.,
Assistant Lecturer in Chemistry in the Liverpool University.

Demy 8vo. With Illustrations. 10s. 6d. net.


AN INTRODUCTION TO THE
THEORY OF OPTICS.

By ARTHUR SCHUSTER, Ph.D. (Heid.), Sc.D. (Cantab.), F.R.S.,
Professor of Physics at the University of Manchester.