The United States Revenue Cutter Miami close to an iceberg similar to that which destroyed the Titanic. On April 27, 1914, Fessenden oscillator was tested off the Miami and received signals both from an ice berg and the bottom. In "Submarine Signaling," Scientific American Supplement, No. 2071, pp. 168-170, Sept. 11, 1915. Image courtesy of NOAA Photo Library.
Related Links
Library: Readings for Ocean Explorers: Submarine Signaling
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