Part 1 of my new series about historic calculating devices and machines. Topic of this first episode: Napier's Bones Support my channel: Patreon: https://www.patreon.com/TPAI Paypal: https://www.paypal.com/cgi-bin/webscr...Napier's Bones - DIY - YouTube | |
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| Science & Technology | Upload TimePublished on 15 Aug 2014 |
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