Example image of eyePlorer eyePlorer map for 'Sonar': Acronym and initialism Navigation Sound Acoustic location Radar SODAR Infrasound Ultrasound Hydroacoustics Underwater acoustics Leonardo da Vinci Lighthouse Bat RMS Titanic Alexander Behm Lewis Fry Richardson Patent United Kingdom Intellectual Property Office Grand Banks of Newfoundland Newfoundland (island) Reginald Fessenden Morse code Oscillation British H class submarine Montreal Submarine World War I Paul Langevin Electrostatics Piezoelectricity Hydrophone Terfenol-D Albert Beaumont Wood Robert William Boyle Oxford English Dictionary United Kingdom of Great Britain and Ireland United States HMS Antrim (1903) Flotilla Isle of Portland RNAS Portland (HMS Osprey) Royal Navy World War II Depth charge Hedgehog (weapon) Squid (weapon) Sonobuoy Nuclear submarine NATO Speed of sound
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