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K1-11: CATHODE RAY TUBE - DEFLECTION BY CURRENT

K1-11: CATHODE RAY TUBE - DEFLECTION BY CURRENT

Category: K1 Forces on Moving Particles

Purpose: Demonstrate visually the force between two parallel currents.
K1-04: FORCE ON CURRENT IN MAGNETIC FIELD - PORTABLE

K1-04: FORCE ON CURRENT IN MAGNETIC FIELD - PORTABLE

Category: K1 Forces on Moving Particles

Purpose: Demonstrate the force on a current-carrying wire in a magnetic field.
H6-01: FOURIER ANALYSIS OF VOICE

H6-01: FOURIER ANALYSIS OF VOICE

Category: H6 The Voice

Purpose: Determine the Fourier spectrum of various steady-state spoken and sung vocal (vowel) sounds.
H4-55: YAMAHA DX7S DIGITAL SYNTHESIZER

H4-55: YAMAHA DX7S DIGITAL SYNTHESIZER

Category: H4 Music

Purpose: Demonstrate features of a modern digital synthesizer.
H4-52: SPECTRUM ANALYSIS OF MODULATION

H4-52: SPECTRUM ANALYSIS OF MODULATION

Category: H4 Music

Purpose: Compare and analyze the frequency spectra of various modulated sounds such as tremolo, vibrato, and beats.
H5-31: DIPLACUSIS AND BINAURAL BEATS

H5-31: DIPLACUSIS AND BINAURAL BEATS

Category: H5 The Ear

Purpose: Demonstrate individually the phenomena of binaural beats and diplacusis.
H5-19: SUM AND DIFFERENCE TONES

H5-19: SUM AND DIFFERENCE TONES

Category: H5 The Ear

Purpose: Quantitatively demonstrate sum and difference tones.
H5-17: WAVETEKS AND AUDIO CART - QUALITY BEATS

H5-17: WAVETEKS AND AUDIO CART - QUALITY BEATS

Category: H5 The Ear

Purpose: Demonstrate second order or quality beats.
H5-15: EFFECT OF HARMONIC CONTENT ON TONE QUALITY

H5-15: EFFECT OF HARMONIC CONTENT ON TONE QUALITY

Category: H5 The Ear

Purpose: Illustrate Ohm's Law of Hearing, and to hear the sounds of complex waves produced by the Fourier Synthesizer.
H5-13: WAVETEKS AND AUDIOCART - MASKING

H5-13: WAVETEKS AND AUDIOCART - MASKING

Category: H5 The Ear

Purpose: Demonstrate masking.
H5-12: WAVETEKS AND AUDIO CART - CRITICAL BAND

H5-12: WAVETEKS AND AUDIO CART - CRITICAL BAND

Category: H5 The Ear

Purpose: Demonstrate the effect of the critical band on the sound of two simultaneous sine waves.
H5-11: WAVETEK AND AUDIOCART - FREQUENCY RANGE OF HEARING

H5-11: WAVETEK AND AUDIOCART - FREQUENCY RANGE OF HEARING

Category: H5 The Ear

Purpose: Demonstrate the approximate frequency range of human hearing.
L6-42: DISTORTION AND CORRECTION

L6-42: DISTORTION AND CORRECTION

Category: L6 Lenses

Purpose: Illustrate pincushion and barrel distortion and correction thereof.
L6-35: CHROMATIC ABERRATION - POINT SOURCE AND 20 CM LENS

L6-35: CHROMATIC ABERRATION - POINT SOURCE AND 20 CM LENS

Category: L6 Lenses

Purpose: Show the effect of chromatic aberration in a lens.
L6-14: IMAGE OF CONVEX LENS - WITH AND WITHOUT BAFFLE

L6-14: IMAGE OF CONVEX LENS - WITH AND WITHOUT BAFFLE

Category: L6 Lenses

Purpose: Encourage thought regarding how an image is formed.
L6-08: REAL IMAGE OF CONVERGING LENS - LIGHT BULB

L6-08: REAL IMAGE OF CONVERGING LENS - LIGHT BULB

Category: L6 Lenses

Purpose: Show the real image of a converging lens.
L6-07: MICROWAVES - LENS

L6-07: MICROWAVES - LENS

Category: L6 Lenses

Purpose: Demonstrate that a paraffin lens can focus microwaves.
H1-44: ULTRASONIC MOTION DETECTOR WAVE FORM

H1-44: ULTRASONIC MOTION DETECTOR WAVE FORM

Category: H1 Nature of Sound

Purpose: Show the wave form of the ultrasonic signal created by the ultrasonic motion detector.
H1-31: SOUND LEVEL METER

H1-31: SOUND LEVEL METER

Category: H1 Nature of Sound

Purpose: Demonstrate use of a sound level meter.
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