A 1929 trade article by C. E. Williams on the latest woolen mule spinning machine and its use in the spinning room of a woolen mill. It covers the qualities wanted in woolen yarn, how mules are adapted to different stock (carpet, asbestos, blanket and others), and the modern construction features of the 1929 mule. It also describes the head mechanism and quadrant mechanism in detail, with eight illustrations of the machine and its parts. A short note on long draft spinning follows the article, which ends "To Be Continued".

A 1902 Overland Monthly article by Carrie Williams arguing that California's climate and soil suit commercial silk production. She recounts early silk-raising efforts from the 1850s and 1860s, including the 1860 exhibit at the Mechanics' Fair in San Jose. She also describes her own experience in San Diego raising silkworms year-round and storing eggs in cold storage, and she discusses economics, acreage, education, and a federal silk-culture project in South Carolina. Six pages with halftone photographs of a rearing canopy and tray, silkworms, moths and cocoons, and reeling apparatus with native silk skeins.