1912 radio operator sending morse code from a spark gap transmitter 4k
Vintage radio being tuned by woman, black and white
wide shot of a 1912 spark gap transmitter being used 4k
slow motion macro of a high voltage spark gap
25 Night Aerial View Of EUR District In Rome Italy With Cars And Traffic
Eur district car racing street circuit under construction Last turn section journey camera car on board, Palazzo dei congressi in background and Marconi obelisk turn
high voltage spark from 1912 spark gap transmitter 4k
Eur district car racing street circuit under construction Last turn section journey camera car on board, Palazzo dei congressi in background and Marconi obelisk turn
