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Der Bruchvorgang im Glas - Historische Aufnahmen der Bruchausbreitung beim Beschuß verschiedener technischer Gläser (Cranz-Schardin-Verfahren)   [Other Title]

Fracture Phenomena in Glass - Historical Film Shots of Fracture Propagation in Different Types of Glass under Bombardment (Cranz-Schardin-Principle)   [Title Translation]
Année de production: 1942-1943
Genre: Documentary Film
Lieu de tournage: n/a

Générique:
Production company: Hubert Schardin (Berlin)
First released by: IWF (Göttingen)
Distributor: IWF (Göttingen)
Author: Hubert Schardin
  W. Struth
  Dietrich Elle


Mot-clés: Bruchvorgang, Bruchvorgang, Cranz-Schardin-Verfahren, Glas, Glas
Historically valuable cinematographic shots of crack propagation in various industrial glasses. The shots were taken using the spark cinematographic method developed in the years 1942/43 by C. Cranz and H. Schardin. Together with the unaltered text of the original accompanying publication, they are proof of the high level of knowledge of brittle fracture gained in the years 1937 to 1939. From these shots it was possible for the first time to calculate the maximum rate of fracture in plate and mirror glass as being 1520 metres per second.

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Durée: 10 1/2 min

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