Oliver Evans’ innovations in steam powered transportation were revolutionary
A painting of the Orukter Amphibolos, likely a rather fanciful interpretation of the real thing, from a 1947 magazine ad for SKF bearings. The machine is depicted as emerging from the Schuylkill River and features front tiller steering, which doesn’t appear in other drawings of the machine.
A drawing of Oliver Evans’ Orukter Amphibolos in ground transportation mode.
Image courtesy of Wikimedia
A drawing of what is said to be Oliver Evans’ first steam engine. A small drawing of his Orukter Amphibolos appears in the upper right of the page.