Secrets of NYC
✉️ The Lost Pneumatic Tube System at the NYSE
Long before fiber optics and wireless networks, bursts of compressed air kept Wall Street moving.
manhole covers
2 articles
Architecture
1862 Manhole Cover Found in Central Park
As part of our most recent podcast episode of The Untapped New York Podcast, we went hunting for the oldest
Architecture
Why Are Manhole Covers Round? An Official Answer
As the story goes, there’s a famous job interview question first used by Microsoft: “Why are manhole covers round?