Researching Daniel Halladay, who patented the first self-regulating windmill, I ran across this beautiful old catalog from his company, the U.S. Wind and Engine Pump Company, headquartered in Batavia, Illinois.
The pictures are copyrighted to Windmillliterature.com, but you should check them out. They’re wonderful.
[...] Madrigal has blogged windmill catalogs and the dangers of steamboat travel, explored the work of 19th-century utopian John Adolphus [...]