Drahtlose Telegraphie,wireless telegraph receiver xofunkox-scientific experiments 1:38 13 years ago 4 176 Скачать Далее
Ear Worms 012 - The Invention of the Radio & The Outer Limits S01E011 The Galazy Being The Wayfarer Project 2:42:36 Streamed 2 days ago 105 Скачать Далее
Coherer detector of electromagnetic signal Experiments Robert33 1:42 10 years ago 154 381 Скачать Далее
Wireless Communication with a Cup of Balls, Coherer Effect ElectroBOOM 12:39 11 months ago 1 148 307 Скачать Далее
Spark Gap Transmitter and Coherer Receiver (old radio) Predsednik Darko 1:01 3 years ago 2 559 Скачать Далее
Wireless telegraphy demonstration apparatus (Braun system) florencefst 3:56 11 years ago 44 657 Скачать Далее