Green Power: Earth-Friendly Energy Through the Ages
by A. G. Smith
2021-06-04 20:01:31
Green Power: Earth-Friendly Energy Through the Ages
by A. G. Smith
2021-06-04 20:01:31
These 30 ready-to-color illustrations reflect the past -- and future -- of environmentally friendly energy sources. Ranging from ancient Greek and Roman water wheels and medieval windmills to modern solar steam engines, they depict a variety of nonpo...
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These 30 ready-to-color illustrations reflect the past -- and future -- of environmentally friendly energy sources. Ranging from ancient Greek and Roman water wheels and medieval windmills to modern solar steam engines, they depict a variety of nonpolluting methods of generating power. Captions identify the illustrations.
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