James Bond (ornithologist)

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Electrical wiring
Electromagnetic field
Streamlines, streaklines, and pathlines
Interval ratio
List of pitch intervals
Electronvolt
Miguel de Cervantes
Elementary particle
Octave
Perfect fifth
Event Horizon Telescope
Richard Stallman
Perfect fourth
Quarter tone
Schisma
Semitone
Fleming's left-hand rule for motors
Santiago Segura
Frequency
Geiger–Marsden experiment
Pythagorean comma
Syntonic comma
Acorde
Afinación
Afinación del piano
Afinación pitagórica
Afinación por terceras mayores
Armonía
Armónico