7831_oscilloscope

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7831_oscilloscope

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Demonstration of how an oscilloscope reads high pitched tones that humans can hear as well as ultra sonic tones that humans cannot hear.

1970s

Pan over 1970s students working with oscilloscopes in a classroom.

1970s

SSP Smash up derby commercial. At old empty stadium, several cars…

1990s

MS of a man laying on top of pillows on a floor. The man uses a computer…

1990s

CU man using communication assistance technology for the hearing impaired…

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