Front matter
Reading edition
Copyright, Ewing Galloway
The drop forge. A fourteen-ton hydraulic press is employed in forging an immense open hearth steel plate.
Popular Science Library
EDITOR-IN-CHIEF
GARRETT P. SERVISS
AUTHORS
WILLIAM J. MILLER HIPPOLYTE GRUENER A. RUSSELL BOND D. W. HERING LOOMIS HAVEMEYER ERNEST G. MARTIN ARTHUR SELWYN-BROWN ROBERT CHENAULT GIVLER ERNEST INGERSOLL WILFRED MASON BARTON WILLIAM B. SCOTT ERNEST J. STREUBEL NORMAN TAYLOR DAVID TODD CHARLES FITZHUGH TALMAN ROBIN BEACH
ARRANGED IN SIXTEEN VOLUMES WITH A HISTORY OF SCIENCE, GLOSSARIES AND A GENERAL INDEX
ILLUSTRATED
VOLUME FIVE
P. F. COLLIER & SON COMPANY
NEW YORK
Copyright 1922 By P. F. Collier & Son Company
MANUFACTURED IN U. S. A.