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Sound (1897)

Tyndall, John, 1820-1893 · New York : Appleton · leaf 428

An illustration from Sound, 1897, leaf 428
RECTANGULAR VIBRATIONS. 419 Fio 182. 1: 2. Fig. 1:3. 1.8.

Sound

Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.

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