Abstract

As a brief introduction, historical etchings of a few intriguing 19th century contraptions for classroom demonstrations of acoustic principles will be shown. Following that, several classroom‐buildable musical instruments will be described. The emphasis will be on instruments that effectively illustrate acoustic or mathematical principles. They will also be fun to make and play, and practical in a classroom context, requiring a minimum of special tools, skills, or materials. Topics to be illustrated through hands‐on instrument making may include relationships between frequency, wavelength and pitch, harmonic and inharmonic overtones, relationships between drivers, radiating surfaces and atmosphere, linear and inverse‐squared functions, and more.

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