Manufacturing of saw blades at the Disston Saw Works factory founded by Henry Disston & Sons, in Philadelphia, Pennsylvania. A long ribbon of flat steel, roughly one foot wide, being forged and then pressed and rolled in a series of rollers that descend from a furnace. Flames seen at the furnace area. Molten steel for the saw blade manufacturing flowing from a trough, very close to the furnace. A side view of an assembly of rollers with hot steel moving across them.
Scenes inside the saw manufacturing plant of the Henry Disston & Sons Company (Disston Saw Works), in Philadelphia, Pennsylvania, in 1920. Closeup of clamps holding items during manufacture. A worker holding a piece of sheet steel and moving it through a mechanical cutting tool that is creating teeth on the saw blade edge. Workers pulling hot hand saw blanks out of an annealing furnace and placing them into a bin. Worker maintaining movement of sheet stock, that already has teeth cut into it, as it passes under a stamping machine. Closeup of a finished hand saw with the Henry Disston & Sons company trademark embossed on it. (The company hand saw division was subsequently sold a number of times, and the brand is now part of Disston Precision Incorporated.)
Operations in manufacture of large commercial circular saw blades in the Henry Disston And Sons plant, Philadelphia, Pennsylvania. A man is seen tending a machine setting the teeth on a large circular saw blade. Team of men controlling the movement of a large circular saw blank as it moves under a teeth cutting machine tool.
Workers engaged in the manufacture of saw blades in the factory of Henry Disston and Sons, in Philadelphia, Pennsylvania. A man using large grinder to smooth edges of saw blanks. A worker running sheet steel stock through a roller mill.Close-up shows replaceable crescent shaped insert teeth for circular saw blade. Worker polishing handsaw handles with the help of a powered buffer.
Hand saw manufacturing operations at the Henry Disston & Sons factory in Philadelphia, Pennsylvania. A worker manipulates a saw handle against a running router to create the wheat pattern in the wood. Another man is seen placing saw handles into a gang boring machine to bore and flat countersink finish holes in them, for fastening to the saw blade. The machine has multiple heads set for both left and right side boring. After one side is done, the operator flips the handle over to complete the other side. An operator at a machine cutting teeth into a saw blade blank. Another machine operator running saw blanks through a set of embossing rollers.
Manufacture of M1918 Browning Automatic Rifles (BAR) at the Winchester Repeating Arms Company in New Haven Connecticut during World War 1. A worker assembles rifles on a bench. Another worker checks their operation by placing them into a mechanical holder and firing them. View of a black circular target showing grouping of hits during firing. View of the factory floor with movable racks containing rifles. Workers move the racks.
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