Keywords: LoadDispatcherMimicBoard.png Amtrak Thirtieth Street Station Philadelphia Pennsylvania USA Installed for the Pennsylvania Railroad in 1935 1997-01 U S Historic American Engineering Record View west within the periphery of the load dispatch model board operator's console and button board is in the lower left quadrant of the photograph - Thirtieth Street Station Load Dispatch Center Thirtieth Market Streets Railroad Station Amtrak formerly Pennsylvania Railroad Station Philadelphia Philadelphia County PA LOC-image hhh pa3881/photos 362731p Robert C Stewart photographer PD-USGov-Interior-HABS Original upload log en wikipedia ftcg page en wikipedia LoadDispatcherMimicBoard png wikitable - 23 48 1 January 2011 889 × 720 431 770 bytes Mcg410 w en <nowiki> Load Dispatchers Mimic Board at Amtrak/PRR 30th Street Philadelphia PA Photograph taken circa 1996 Library of Congress Prints Photographs Division http //www loc gov/pictures/item/PA3881/ HAER PA 51-PHILA 712B- </nowiki> Philadelphia power dispatch center |