Magnetic Detector

The magnetic detector was one of the first practical devices able to make radio signals audible through a pair of headphones. It was not as sensitive as some detectors but despite that, it was favored for early maritime use because of its reliability.

Read more about Magnetic Detector:  History, How It Works, Marconi Company Usage, Maintenance

Famous quotes containing the word magnetic:

    We are in great haste to construct a magnetic telegraph from Maine to Texas; but Maine and Texas, it may be, have nothing important to communicate.
    Henry David Thoreau (1817–1862)