Bonus Pictures: A History of Pittsburgh, in 50 Artifacts February 15, 2017 Photos by Huck Beard, Apatosaurus louisae (discovered 1909) Duquesne Incline drive gear (1877) First Gateway Clipper propeller (1958) Mister Rogers’ puppets (1968-2001) Penn 30 Touring Car (1911) FacebookTwitterPinterestLinkedinemail