Pictures 3 Railroad Power Director Center - Thirtieth Street Station, Philadelphia Pennsylvania
1995 Southwest of carousel displaying schematic diagrams of electrical system; operators console switchboard #1 is at lower right of photograph
1995 Southwest of carousel displaying schematic diagrams of electrical system; carousel has been rotated 180 degrees to show schematics on opposite side; operators console switchboard #1 is at lower right of photograph
1995 Northeast of telephone console; operator's station #1
