UNESCO Technical Assistance. the Institute of Applied Sciences at the Universit

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Mexico <http://en.unesco.org/mediabank/view/countries/MX.html>

Description: UNESCO Technical Assistance. the Institute of Applied Sciences at the University of Mexico is directed by Mr E.J.P. Stretta, a UNESCO expert. Shown here, apparatus constructed by students at the Institute. If installed in factory chimneys, this device willl purify polluted air.

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Location featured:	Mexico City, Mexico
Date:	1967
Author(s):	Roger, Dominique
Organisation:	UNESCO
Copyright:	©UNESCO
Source:	UNESCO Photobank Folder: 040 UNESCO: 20033963