Signature mark | FA 012/4429; G 4195 |
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Subject | Fotografie; Glasnegativ Serie 10 x 15 |
Title | Gerät: Differentiograph |
Contains | Foto-Nr.: 36102; Differenziograph. Brücke von unten |
Duration | 14.09.1941 |
Subject area | Mathematische Instrumente < 415> |
Rights notice | CC BY-SA 4.0 |