Smog Helmet (Sep, 1949)
Helmet Helps Smog StudyThe 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.
[...] http://blog.modernmechanix.com.....og-helmet/ [...]
Pingback by Capacete para estudar smog (setembro de 1949) - Glúon /blog — January 21, 2009 @ 8:24 am
[...] UPDATE: Apparently, this is a smog helmet, featured in the Popular Science issue from 1949 – see here [...]
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