Signature mark | NL 106/032 |
---|---|
Subject | Bericht (1) |
Author |
Billing, Heinz
|
Title | A Sensitive Hot Wire Microphone of Small Diameter and Especially Low Sensitivity to Vibrations |
Duration | 1946 |
Scope | 28 S. ms. |
Subject area | Mikrofone <410.03.01> |
Formal information | Languages: Englisch |
Rights notice | CC BY-SA 4.0 |