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Back in my misspent youth I wanted to have, at the summit of my domicile, an aerolian harp that had trumpet bells, like the ventilators on an old ship, pointed in the appropriate direction for approaching storms (i.e., out of the NE).
I was learning about fluidics at the time. Use air pressure to raise the shutters.
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.Without freedom of speech we wouldn't know who all the idiots are. -- anonymous poster
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