This is the story of talking at a distance of sending messages through space. It is the story of great men-Morse Thomson Bell Marconi and others-and how with the aid of men like Field Vail Catty Pupin the scientist and others in both the technical and commercial fields they succeeded in flashing both messages and speech around the world with wires and without wires.
Tuotteella on huono saatavuus ja tuote toimitetaan hankintapalvelumme kautta. Tilaamalla tämän tuotteen hyväksyt palvelun aloittamisen. Seuraa saatavuutta.