Shows the Murray Hill Tunnel, later called the Park Avenue Tunnel, with Fourth Avenue Horse Car Line "Harlem via Madison Av." with The Church of the Messiah in background.
An image of Park Avenue looking north from 33rd Street, depicting Park Avenue Tunnel that passes under Park Avenue and leads uptown towards Grand Central Terminal. MetLife Building, originally called the Pan Am Building, in background.
Illustrated cross-section of one of the "Hudson tubes," which are now operated as part of the Port Authority Trans-Hudson (PATH) system as well as the Penn station terminal. The two passenger railway tubes were completed and opened in 1908. Their...
The signal and switch tower in the yard at the west end of the station, showing overhead rails which supplement the third rail on the ground for carrying over switches. Entrance to the tunnels under the Hudson River can be seen in the middle...
