107 sounds by Konrad Gutkowski
  • “Slit machine”

    The “slit machine”, made by Adam Baumüller GmbH in the 1990s, uses a circular saw to put the slits into the knife handles, into which the blades are...
  • Punching press

    The punching press, manufactured by Leinhaas in the 1980s is applied in the first steps of the blade production: it unwinds a coil of steel strip and punches...
  • Knife-spine grinding machine

    The knife-spine grinding machine is used to shape the back of the blade. To do so, the knife maker guides the back of the blade along a rotating grinding...
  • “Schurbock” polishing

    In knife-making the “Schurbock” (Schuren: technical term in Solingen for polishing) made by Rema in the 1980s is used to polish the wooden knife handles....
  • Whetting trestle

    The electric whetting trestle from the 1980s is used to further refine the cutting edge of the blade from the point of the knife to the bolster. The blade...
  • Riveting machine

    The electric riveting machine manufactured by Adam Baumüller GmbH in the 1980s is used to mount the knife blade onto the knife handle with rivets. To...
  • “Kessel” sharpening machine

    The “Kessel” sharpening machine was developed in 1910 by Heinrich Kessel (died in 1959). It is in use in the knife factory Windmühlenmesser Robert...
  • Sharpening machine (“Blaupließtbock”)

    The “Blaupließtbock” from the 1910s is in use in the knife factory Windmühlenmesser Robert Herder in Solingen (Germany North Rhine-Westphalia). It...
  • Sharpening machine (“Feinpließtbock”)

    The “Feinpließtbock” from the 1910s is an electric sharpening machine which is used, generally by trained operators, to create a special finish (precision-grinding)...
  • Hacksaw

    The hacksaw from the 1920s is a machine tool which saws rods (either wood or metal) into short pieces. A transmission sets the saw in motion. The weight...
  • Planing machine

    The planing machine from the 1920s is a machine tool used for planing work on long iron work pieces. The machine brings the work pieces into the desired...
  • Saw blade sharpening machine

    In the 1920s the saw blade sharpening machine sharpened the circular saws in the Jacob Döring Tool Factory in Hagen (Germany, North Rihe-Westphalia)....