Lead: Evoking visions of the charming Dutch countryside, the tilting object of slightly confused Spanish knights, and fights between green power and wealthy islanders, one of things that modernized rural America was the windmill.

Intro: A Moment in Time with Dan Roberts

Content: In 1854, Daniel Halladay, a New England inventor, submitted a patent application for a self-regulating windmill, an ingenious device that automatically closed its blades during high winds so as to protect itself from damage. According to essayist Stuart Leuthner, this inaugurated the era of the American windmill.