TABLE OF CONTENTS

PAGE

I. CHEMISTRY AND METALLURGY.--The Cowles Electric Smelting

Process. 5 figures. 8113

On the Electrical Furnace and the Reduction of the Oxides of

Boron, Silicon, Aluminum, and other Metals by Carbon.--By

EUGENE H. COWLES, ALFRED H. COWLES, and CHARLES F. MABERY. 8112

Scientific American Supplement, No. 508, September 26, 1885 · 第 4 / 73 题