Manufacture of Ordnance Materiel, 1917-1918

Reel 1, rifle barrels, stocks, and trigger guards are made. Rifles are assembled, fired, and crated; bayonets and Browning machine gun barrels are forged. Reel 2, parts for the Browning are cut and trimmed, filed, and assembled. Reel 3 shows work in a Bethlehem Steel Co. plant: molten steel is poured into drums; electric magnets lift pigs; cannon tubes are made; guns are assembled; bombs are loaded and fused; caissons are finished; cannons are loaded onto a freight train.