, 2022-12-05 06:03:51,
No one really wants to think about how a city sewer system works. But that wastewater we blissfully flush away each day flows out to an intricate network below the streets, which was crafted by the early creators of San Francisco’s urban landscape. While their names are mostly long forgotten, all it takes is looking down to discover one.
You’ve likely trodden upon hundreds of the small, square cast iron vents embedded in San Francisco’s sidewalks. There’s one in front of every home, allowing gasses to escape safely. Many are simply a metal plate, but hundreds are engraved with the names and businesses of tradespeople from as early as the 1890s. But trying to pinpoint whose name ended up on the grates and why will lead you down a wandering path filled with plumbers, contractors, foundries and hardware stores.
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