Record Name | ETHZ_PHYS_0362 |
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Dating | ca. 1941 |
Caption | Gerät zur Messung der Frequenz von Wechselströmen. |
Inscription | Frequency Meter Type No. 720-A, Serial No. 1223, General Radio Co., Cambridge Mass., U. S. A., U. S. Patents 2.367.681 (Inschriften), Operating Instructions for Type 720-A Heterodyne Frequency Meter [ausführliche Gebrauchsanweisung folgt] (), Seyffer & Co. A. G., Abt. Messtechnik, Zürich, S. Nr. 141053 |
Material | Metall (allgemein), Kunststoff |
Object Dimensions | 31 x 27 x 33 cm |
Weight | 9686 g |
Origin | Departement Physik, ETH Zürich |
Inventory Number | ETHZ_PHYS_0362 |
Categories |
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License | CC BY-SA 4.0 |
Availability | Frei zum Herunterladen |
Copyright Notice | Sammlung wissenschaftlicher Instrumente und Lehrmittel, ETH-Bibliothek, ETH Zürich, Foto: Stephan Bösch |
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