Signature mark | NL 053/1027 |
---|---|
Subject | Brief (2); Karte (1) |
Title | Briefwechsel mit Eugen Michel |
Contains | betr. Raumakustik |
Duration | 06.03.1929 - 10.08.1929 |
Scope | 3 Bl. hs., ms. u. Ds. |
Subject area | Physik. Akustik <310.04> |
Rights notice | CC BY-SA 4.0 |