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How We Got to Now | Clip | Measuring Sound

The high levels of noise pollution in New York City instigated the formation of a noise abatement commission. Steven explains how innovator Harvey Fletcher became part of this movement and created a roving 'noise laboratory' that measured the amount of sound on the streets of the city.

S1 E6 | 0:04:26 | AIRED: 9/11/2014 |
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