Tom Thumb References Tom Thumb locomotive Ask Anything Homework Help Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: Peter Cooper…the diminutive but powerful “Tom Thumb” experimentally pulling a load of 40 persons at 10 miles an hour. Read More…the diminutive but powerful “Tom Thumb” experimentally pulling a load of 40 persons at 10 miles an hour. Read MoreBaltimore and Ohio RailroadPeter Cooper’s steam locomotive, the Tom Thumb, ran over this line and demonstrated to doubters that steam traction was feasible on the steep, winding grades. Read MorePeter Cooper’s steam locomotive, the Tom Thumb, ran over this line and demonstrated to doubters that steam traction was feasible on the steep, winding grades. Read More