Modern Replica of Peter Cooper's Tom Thumb (1830) in the the Baltimore & Ohio Railroad Museum
Photographs © George P. Landow may be copied without written permission for any noncommercial use — for hobbies, education, and so on. If you have any additional information on the locomotives or rolling stock in these pictures, please feel free to send it along to me at firstname.lastname@example.org; pictures are welcome, too. Click on images to enlarge them. — George P. Landow.
According to the museum label, the replica weighs 5.4 tons, has 30 1/4 inch drivers, and 820 lbs. of tractive effort. The original locomotive proved itself by pulling the railroad's directors at a speed of 10 to 14 miles an hour.