Italian Munitions Manufacture, 1914-1918

Ore boats and cars are unloaded, blast furnaces are charged, cast iron poured, blanks for large gun barrels forged, the barrels turned on a lathe, and gun turrets machine tooled. Trench mortar shells are finished, loaded, and welded. Powder charges and shells are weighed and inspected. Shows airplane motors and trucks on an assembly line. Lenses are inspected and reflectors for searchlights polished. Metal plates are cut and shaped for ship construction. A submarine is launched.