[Model of Baltimore & Ohio's Tom Thumb locomotive.]

[Steam locomotive.]

Steam Locomotives [Railroad yard, Kroeger factory in background]

First Steam Car to Carry U.S. Mail.

[Locomotive.]

[Locomotive.]

[Unidentified locomotive.]

[Unidentified locomotive.]

[Carousel horse, Felicia Marsh, and steam locomotive.]

[Unidentified locomotive.]

["John Bull" locomotive.]

[Locomotive.]

[William Galloway Locomotive.]

[Long Island Electric Locomotive No. 323.]

[Diesel - Electric locomotive training car.]

[Diesel - Electric locomotive training car.]

Steam Locomotive Display at 1939 World's Fair.

Steam Locomotive Display at 1939 World's Fair.

Steam Locomotive Display at 1939 World's Fair.

Where Locomotives First Appeared on American Continent.