A contraption used to extract the silk from a spider
Cabinet of Curiosities

The Tangled History of Weaving with Spider Silk

Spider silk is as strong as steel and as light as a feather, but attempts to industrialize its production have gotten stuck, so to speak.
See page for author [CC BY 4.0 (http://creativecommons.org/licenses/by/4.0)], via Wikimedia Commons Blood transfusion - 17th century (?) "Anthropographia" (?) showing blood transfusion between man and sheep; ascribed to J. G. Riva (fl 1618) author of 'De triplici infusionis sanguinis experimento' Iconographic Collections
Science & Technology

First Blood Transfusion: A History

The world’s first experiments with blood transfusion occurred in the mid-1660s in England. The procedure, carried out between dogs, was gruesome.