The Secret Subway Station in NYC... | Park avenue nyc, Nyc train, City hall station
Beach Pneumatic Transit: The 1870 Subway That Could Have Been? | New-York Historical Society
New York City Almost Had Subway Trains That Worked Like Soda Straws – From the Public Domain
SCIENCE | The First Subway — Rose Tibayan
NYC's First Subway, A One Block Pneumatic Tunnel Below Broadway - Untapped New York
Here's your chance to see NYC's dazzling, abandoned City Hall station—without risking a criminal trespass charge - Roadtrippers
The New York City subway system opened 110 years ago today; An interview with The Race Underground author Doug Most - The Bowery Boys: New York City History
Beach Pneumatic Transit: The 1870 Subway That Could Have Been? | New-York Historical Society
New York Pneumatic Railroad | Ghostbusters Wiki | Fandom
nycsubway.org: Beach Pneumatic Transit
Beach Pneumatic Transit: The 1870 Subway That Could Have Been? | New-York Historical Society
Beach Pneumatic Transit - Wikipedia
The Beach Pneumatic Transit Company – just a bunch of hot air? | MCNY Blog: New York Stories
ALFRED ELY BEACH'S PNEUMATIC SUBWAY: THE SECRET TUNNEL BELOW NEW YORK CITY | by Charlie O'Brien | Medium
Feb. 26, 1870: New York City Blows Subway Opportunity | WIRED
New York City Subway Guide: Facts & Tips
NYC's First Subway, A One Block Pneumatic Tunnel Below Broadway - Untapped New York
nycsubway.org: Beach Pneumatic Transit
The Beach Pneumatic Transit Company – just a bunch of hot air? | Museum of the City of New York
Site of the Beach Pneumatic Subway – New York, New York - Atlas Obscura
The First Subway: Alfred Ely Beach's Marvelous Pneumatic Transit - The Bowery Boys: New York City History
nycsubway.org: Beach Pneumatic Transit
Site of the Beach Pneumatic Subway – New York, New York - Atlas Obscura
nycsubway.org: Beach Pneumatic Transit
A brief history of when trains ran on air | Engadget
