silk

Cochineal Dyeing

Following up on her video on the history of cochineal (“Precious Pests”), author Virginia Postrel tries her hand at cochineal dyeing, experimenting with different mordants and fibers as well as both cultivated and wild cochineal. One in a series of…

Black Widow Spider: Her Life Cycle and Her Enemies 1960 Ken Middleham

Support this channel: https://paypal.me/jeffquitney OR https://www.patreon.com/jeffquitney more at http://quickfound.net/ Scientific Consultant: Evert I. Schlinger, Ph.D. (University of California). Script Editor: Robert L. Patton (Riverside City Schools). Photographer and Director: Ken Middleham. Originally a public domain film from the Library of…