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Marconi's wireless magnetic detector (London)
Marconi's wireless magnetic detector (London)
One of the first prototype magnetic detectors built by Marconi in 1902, in Milan museum. The sensing coils on this instrument are removed.
One of the first prototype magnetic detectors built by Marconi in 1902, in Milan museum. The sensing coils on this instrument are removed.
Recreation of a Marconi ship radio room at the Aalborg Maritime Museum, Aalborg, Denmark. A magnetic detector is on the desk to right of the Marconi t
Recreation of a Marconi ship radio room at the Aalborg Maritime Museum, Aalborg, Denmark. A magnetic detector is on the desk to right of the Marconi tuner receiver, which provided the signal for the magnetic detector.
(A) Antenna wire, (B,B) Iron band around pulleys, (C, C) RF excitation winding on glass tube through which the iron band travels, (D) Audio pickup win
(A) Antenna wire, (B,B) Iron band around pulleys, (C, C) RF excitation winding on glass tube through which the iron band travels, (D) Audio pickup winding, (E) Ground-plate, (S, N) Permanent magnets, (T) Telephone receiver.
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A coherer detector, useful only for Morse code signals.
A coherer detector, useful only for Morse code signals.