This 1932-1933 mechanical television (Model 26) was designed by the noted American inventor Hollis Semple Baird, and manufactured by the Shortwave and Television Corporation, Boston, Massachusetts. It has a 1-inch screen and one tube. Hollis Baird's design was considered an improvement in mechanical television quality. (Hollis Baird was no relation to Scottish inventor John Logie Baird, who first invented mechanical television).