I forget who--it may have been Charles Seller who said if you want to see the Market Revolution happening go study the Archives of the U.S. Patent Office.

我忘了是谁说的,大概是查尔斯.塞勒,他说,若你想看看市场革命是怎么发生的,就去研究美国专利局的档案吧

美国内战与重建课程节选 : 耶鲁公开课