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Whoosh! Pneumatic Tubes: The Postal Service's Underground Love Affair

Whoosh! Pneumatic Tubes: The Postal Service's Underground Love Affair

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 On July 6, 1887, in a delightfully bizarre twist of technological innovation, the first successful pneumatic tube postal system in the United States began operations in Philadelphia. Imagine the scene: postal workers gleefully watching cylindrical carriers whoosh through underground tubes at breakneck speeds, revolutionizing mail delivery with a system that seemed more like science fiction than practical infrastructure.

The brainchild of the postal service's forward-thinking engineers, this underground network stretched nearly 6.5 miles, connecting the main post office to various branch locations. These pneumatic tubes could propel mail containers at speeds up to 35 miles per hour, a mind-boggling velocity for the late 19th century. Postal workers must have felt like they were operating something between a cutting-edge transportation system and a massive, city-wide pneumatic game of pass-the-parcel.

By 1893, the system had expanded to New York City, creating a subterranean mail superhighway that would operate for decades. The tubes could move up to 97,000 letters per hour, a staggering efficiency that would make modern email seem positively sluggish by comparison. This wasn't just a technological marvel; it was a pneumatic poetry of postal progress that captured the imagination of a nation rapidly hurtling toward the 20th century.

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