01 January (Austria ) within release RAVAG goes into circulation Stamp RAVAG Kohlen Spende 10 groschen face value 10 Austrian groschen
Stamp RAVAG Kohlen Spende 10 groschen in catalogues | |
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Colnect codes: | Col: AT 1934-21 |
Stamp is horizontal format.
Radio-Verkehrs-Aktiengesellschaft (RAVAG) coal donations stamp. 1924/1934Also in the issue RAVAG:
Data entry completed
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Stamp RAVAG Kohlen Spende 10 groschen in digits | |
Country: | Austria |
Date: | 1934-01-01 |
Size: | 35 x 28 |
Emission: | Cinderella |
Format: | Stamp |
Face Value: | 10 Austrian groschen |
Stamp RAVAG Kohlen Spende 10 groschen it reflects the thematic directions:
Radio is the technology of communicating using radio waves. Radio waves are electromagnetic waves of frequency between 3 hertz (Hz) and 300 gigahertz (GHz). They are generated by an electronic device called a transmitter connected to an antenna which radiates oscillating electrical energy, often characterized as a wave. They can be received by other antennas connected to a radio receiver, this is the fundamental principle of radio communication. In addition to communication, radio is used for radar, radio navigation, remote control, remote sensing, and other applications.