February 6, 2006

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Smog Helmet (Sep, 1949)

Filed under: General, Just Weird, Medical, Scary — @ 2:03 pm
Source: Popular Science ( More articles from this issue )
Issue: Sep, 1949
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Tags: headgear

Helmet Helps Smog Study

The lady under this plastic headpiece is getting a dose of smog, made up of smoke and fog. Photoelectric cells attached to glassless goggles record blinks due to eye irritation. She reads a book to produce uniform reactions. The test is part of a study being made by Stanford Research Institute to find out more about the smog that often blots out Los Angeles’ sunshine.

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Pingback by Capacete para estudar smog (setembro de 1949) - Glúon /blog — January 21, 2009 @ 8:24 am

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