Warminster, PA, United States
John Fitch's Steamboat. Fitch tested near here a model steamboat in 1785. Before his death in 1798, he built 4 mechanically successful steamboats. The first in the U.S., they proved financial failures, leaving final success of the idea to Robert Fulton.
Listen to the audio guide for Blue plaque № 28547 Free on WIP — starts by itself when you arrive, even with the screen off