Ozalid, das Trocken-Lichtpaus-Verfahren
Ozalid, das Trocken-Lichtpaus-Verfahren su Tantifilm e CB01. An explanation of the diazotype or ozalid copy, which is used to create film prints.
- Genere: Documentario
- Paese: Germany
- Direttore: August Koch
- Attori: