Loudspeaker and microphone

Loudspeaker and microphone

C028/8179 Rights Managed

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Credit: MARTYN F. CHILLMAID/SCIENCE PHOTO LIBRARY

Caption: Loudspeaker and microphone used in school physics experiments on sound waves, the speed of sound and sound frequency.

Release details: Model release not required. Property release not required.

Keywords: chemical, chemistry, crystal microphone, equipment, experiment, frequency, lab, laboratory equipment, loudspeaker, microphone, no-one, nobody, physics, school, school science, science education, sound, sound waves, white background

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