There’s No Way A Millennial Can Pass This Quiz
What machine are they using?
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Carl E. Seashore created the first modern audiometer in 1899 to measure hearing capabilities. By the 1920s there were enough technological advances to produce “pure tones” to evaluate hearing loss.
What machine are they using?
- Audiometer
- Radio
- Electroconvulsive therapy machine
- Rotary phone
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