The Empire typewriter patented in 1892 was seen on an early episode of Downton Abbey. The Empire typewriter was first manufactured by Williams Mfg. Co. , Montreal, Canada and Plattsburgh U.S. In 1924 production moved to British Typewriters Ltd. West Bromwich,Staffordshire, England

A similar one was seen on eBay http://www.ebay.com/itm/ANTIQUE-VINTAGE-EMPIRE-TYPEWRITER-PATENT-1892-shop-display-advertising-office-/151888060585
Reference:   http://www.typewritermuseum.org/collection/index.php3?machine=empire&cat=kf