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 of the saw provides steady contact between the saw blade and the work piece to be sawn, which is clamped under the blade. When the moving saw blade hits the material, the even sawing noise occurs.
The machine was in use in the Jacob Döring Tool Factory in Hagen in the 1920s. At first it was driven by a transmission using water power. Later it was powered by an electric motor.
It is currently in the possession of the Technology Museum Freudenberg (Germany, North Rhine-Westphalia) and is activated for demonstration purposes.
Sound recordist: Konrad Gutkowski/Julian Blaschke
Photographer: Konrad Gutkowski/Julian Blaschke
Video recordist: Konrad Gutkowski/Julian Blaschke