Hrala, Josh. "The Revolving Door Was Invented to Put an End to Chivalry." Modern Notion. 15 May 2015. McCall, David. "In a Spin: the History of Revolving Doors." Australian Design Review. 24 July ...

A drawing from the 1888 patent filing of Theophilus Van Kannel for a “storm-door structure.” In the 19th century, Van Kannel was keenly aware of the benefits of keeping the weather out. Credit ...

At a ceremony in Dallas on Tuesday in which he touted transportation-related successes during the session, Abbott said he has no concerns about TxDOT’s ability to thrive under the revolving door ...