Keywords: PRR S1.jpg Pennsylvania Railroad PRR S1 6-4-4-6 steam locomotive at the New York World's Fair July 15 1939 Pennsylvania Railroad PRR-Klasse S1 6-4-4-6 Dampflokomotive bei der New Yorker Weltausstellung am 15 Juli 1939 en Library of Congress Prints Photographs Division Gottscho-Schleisner Collection; reproduction number http //hdl loc gov/loc pnp/gsc 5a18640 LC-G613-35557 then transferred from http //en wikipedia org en wikipedia; transferred to Commons by User Jklamo using http //tools wikimedia de/~magnus/commonshelper php CommonsHelper 1939-07-15 Gottscho-Schleisner Inc photographer Gottscho-Schleisner Inc original upload log page en wikipedia PRR_S1 jpg 2005-01-30 05 02 Morven 484×261× 23168 bytes <nowiki></nowiki> Locomotives in the 1939 New York World's Fair Pennsylvania Railroad S1 Streamlined locomotives |