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Doppler Demonstrator.

Doppler Demonstrator.

Doppler Demonstrator.

Everyone has heard a car engine change in pitch when it roars by. Bring this effect into the classroom with our new kit. In effect, it's a buzzer on a string which, when swung like a pendulum, emits sounds of differing ptiches depending upon whether the pendulum is rising or falling.

613-0008

$28.82

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Everyone has heard a car engine change in pitch when it roars by. Bring this effect into the classroom with our new kit. In effect, it's a buzzer on a string which, when swung like a pendulum, emits sounds of differing ptiches depending upon whether the pendulum is rising or falling.

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