Seminar Museum: Alternative Energy Systems on Display

A diverse array of previously unseen alternative energy systems will be featured at the upcoming MOTHER EARTH NEWS seminar.



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The Curnett solar furnace, one of many alternative energy systems displayed at the MOTHER EARTH NEWS seminar.
PHOTO: MOTHER EARTH NEWS STAFF
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THE CEC solar food dryer.
MOTHER EARTH NEWS STAFF
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A low cost air compressor.
MOTHER EARTH NEWS STAFF
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A solar tracking directional mirror.
MOTHER EARTH NEWS STAFF
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The Dunlite wind power generator.
MOTHER EARTH NEWS STAFF
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An experimental solar still.
MOTHER EARTH NEWS STAFF
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The 22-foot Minto wheel. 
MOTHER EARTH NEWS STAFF
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Practical building blocks.
MOTHER EARTH NEWS STAFF
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An improved solar air heater.
MOTHER EARTH NEWS STAFF











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