Our Research

More information on The Structure of Skyscrapers, my history of the development of tall-building structural technology put to 1900, is at the link above. Or click on the book cover below. More information on City of Brick and Steel, our guide to the structure of buildings in New York City, is at the link above. …

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A Strange Assignment

As I was trawling through the Underhill collection at the Library of Congress, I stumbled over another building that I have a personal connection to: 95 Maiden Lane. I worked on hypothetical repairs in 1988 or 89 and I have no idea if any of them were ever performed. I was only at the building …

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Necessary But Weird

There was something of a boom in the 1890s and 1900s for the construction of “fireproof storage warehouses.” They were used by any number of of people for any number of purposes, but their most important use was for document storage. In those days before computers, before microfilm, and before xeroxing, every white-collar business created …

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The Sawmill In The City

New York is known as a city of masonry and metals with its ubiquitous visible bricks, stones, decorative terra cotta, cast iron facades, and sheet metal cornices, which is why Old Structures Engineering has titled its guide to the structure of New York buildings City of Brick and Steel. Peering inside this book, just like peering inside …

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