NEW YORK
THE CENTURY CO.
Copyright, 1919, by
THE CENTURY CO.
Copyright, 1917, 1918, 1919, by
THE INDEPENDENT CORPORATION
Published, October, 1919
From "America's Munitions"
THE PRODUCTION OF NEW AND STRONGER FORMS OF STEEL IS ONE OF THE GREATEST TRIUMPHS OF MODERN CHEMISTRY
The photograph shows the manufacture of a 12-inch gun at the plant of the Midvale Steel Company during the late war. The gun tube, 41 feet long, has just been drawn from the furnace where it was tempered at white heat and is now ready for quenching.