How Blacksmiths Forged a Powerful Status Across the Continent of Africa

excerpt ~One type included a bellows system fashioned from leather, clay or wood that was designed to preheat air, which Joyce says was developed in Africa “long before European and American equivalents were invented that eventually ushered in the Industrial Revolution of the late 18th and early 19th centuries.”

https://www.smithsonianmag.com/smithsonian-institution/how-blacksmiths-forged-powerful-status-across-continent-africa-180972065/?fbclid=IwAR2l0EnCYeQ_yP77mcGn78TfBtxXA3RKsya6I5xBSr94JvR8C2CxDWyTBYk