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| Books | Bücher |
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| Books | Bücher |
 ... gravity, and give them absolute levity, for the sake of easy transport. Agriculture may diminish its labor and double its produce: all diseases may by sure means be prevented or cured (not excepting even that of old age), and our lives lengthened...  The Works of Benjamin Franklin: Containing Several Political and Historical ... - Seite 396 von Benjamin Franklin - 1840 Vollansicht -
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