Czestosciomierz-49.9Hz.jpg
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Summary
| Description |
English:
Mechanical resonance electromagnetic frequency meter - power frequency:
result 49.9 Hz
Deutsch:
Zungenfrequenzmesser
zur elektromechanischen Messung der Netzfrequenz.
Messwert: 49,9 Hz
|
| Date | 24 March 2006 (according to Exif data) |
| Source | No machine-readable source provided. Own work assumed (based on copyright claims). |
| Author | No machine-readable author provided. Julo assumed (based on copyright claims). |
Licensing
Julo, the copyright holder of this work, hereby publishes it under the following license:
|
I, the copyright holder of this work, release this work into the
public domain
. This applies worldwide.
In some countries this may not be legally possible; if so: I grant anyone the right to use this work for any purpose , without any conditions, unless such conditions are required by law. |