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Iron Age to Dark Age (Discovery & Invention 2)
Iron Age to Dark Age - Discovery & Invention 2
Author: Reader's Digest
The empires of the Persians, Greeks and Romans called for practical civilising devices, and their innovative people obliged. Pythagorus invented the abacus, which greatly aided the administrators, who were also helped in this period by the appearance of the pen and a version of shorthand. Inspired by the presses used for extracting grape juice a...  more »
ISBN-13: 9780276445149
ISBN-10: 0276445147
Publication Date: 6/24/2011
Pages: 160
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Publisher: Readers Digest
Book Type: Hardcover
Members Wishing: 0
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