Internet Archive - nature of sound the 1948 (1948)

财富辛

Title: The Nature of Sound
Source: Internet Archive (Archive.org)

English Introduction:
A 1948 instructional film using simple experiments, an oscilloscope, and amateur-radio demonstrations to explain the transmission, reflection, speed, and wave characteristics of sound.

中文标题：
声音的本质

中文简介：
1948年的科教片，通过简单实验、示波器和一位业余无线电爱好者的演示，讲解声音的传播、反射、速度与波形特征。

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