María del Carmen Betancourt y Molina

María del Carmen Betancourt y Molina (1758 in Los Realejos – 1824 in Puerto de la Cruz) was a Spanish inventor based in the Canary Islands, best remembered for her first design, an epicyclindrical machine for twining silk, developed alongside her brothers Agustín de Betancourt and Jose de Betancourt y Castro. The siblings presented her design of the epicylindrical machine to the Royal Economic Society of Friends of the Country of Tenerife, in 1778.

Source: Wikipedia — María del Carmen Betancourt y Molina (CC BY-SA 4.0)