Electrical Telegraph: Principle
Elektrischer Telegraph: Prinzip
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Photo credit: © Quagga Media / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: communication, electrical, experiment, experimente, experiments, kommunikation, kommunizieren, natural, naturwissenschaft, naturwissenschaften, naturwissenschaftlich, naturwissenschaftliche, physical, physically, physics, physik, physikalisch, physikalische, principle, science, sciences, telegraph:
