Once again The Internet Archive provides a gem from the past. “Elementary Lessons On Sound” by W.H. Stone was published in 1879. The author demonstrates and explains the physics of sound using the technology of the time; metal rods, a bench vise, vibrating plates, tuning forks, etc.
I have to admit that I have looked at the pictures more than the text.
You can download your own copy here.
Click the thumbnails for a larger image. Enjoy!
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- optical study of vibratory movements
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- vibrations of a stretched string
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- vibroscope
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- vibrations of a plate
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- nodal lines in vibrating plates
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- vibrations of a metal rod
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- tuning fork with resonator
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- marloyes harp
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- sonometer
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