first transatlantic signal

URI: https://gptkb.org/prop/first_transatlantic_signal
8 triples
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gptkb:Marconi's_wireless_broadcasting_system 1901
gptkb:Marconi's_wireless_signal_system 1901
gptkb:Marconi's_wireless_telegraphy 1901
gptkb:Marconi's_wireless_apparatus 1901
gptkb:Marconi's_long-distance_radio_system 1901
gptkb:Marconi's_wireless_telegraph 1901
gptkb:Marconi's_radio_transmission_system sent in 1901
gptkb:Marconi's_wireless_telegraphy_system 1901