869963
9780313313424
While revealing information about many cultures around the world, this reference describes the trial-and-error experiments, discoveries and inventions of early humans who lived before recorded history to the Middle Ages.Krebs, Robert E. is the author of 'Groundbreaking Scientific Experiments, Inventions, and Discoveries of the Ancient World' with ISBN 9780313313424 and ISBN 0313313423.
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