SKU: 54012200358

Concrete Century: Julius Kahn and the Construction Revolution

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Concrete Century: Julius Kahn and the Construction RevolutionAt the turn of the 20th century, industrial manufacturing was expanding dramatically while factory buildings remained fire prone relics of an earlier age. That is, until a 28 year old civil engineer finally achieved what engineers around the world had unsuccessfully attempted. Working in his brother's basement in Detroit, Julius Kahn invented the first practical and scientific method of reinforcing concrete with steel bars, which finally made it

At the turn of the 20th century, industrial manufacturing was expanding dramatically while factory buildings remained fire-prone relics of an earlier age. That is, until a 28-year-old civil engineer finally achieved what engineers around the world had unsuccessfully attempted. Working in his brother's basement in Detroit, Julius Kahn invented the first practical and scientific method of reinforcing concrete with steel bars, which finally made it possible to construct strong, fireproof buildings. After Kahn founded a company in 1903 to manufacture and sell his reinforcement bars, his system of construction became the most widely used throughout the world.

Drawing upon Kahn's personal correspondence, architectural drawings, company records, and contemporary news and journal articles, Michael G. Smith reveals how this man--whose family had immigrated to the US to escape antisemitism in Germany--played an important role in the rise of concrete. Concrete not only turned the tide against widespread destruction of buildings by fire, it also paved the way for our modern economy. Concrete Century will delight readers intrigued by architecture and construction technology alike with the true origin story of modern concrete buildings.

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SKU: 54012200358

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Saarah
Port Orchard, US
★★★★★ 5
Luxurious
Color: Sand Brown, Size: 9.5in x 7.9in
Firstly, I was very impressed by the packaging and attention to detail, from the box to the lovely wrapping. I purchased the brown and the tray is beautiful with the two-tone. I love the tree imprint on the inside. It looks very rich and the leather has a great feel to it. I also like that the logo was imprinted at the bottom/back. This would make a great gift. Great product!
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Reviewed in the United States on August 1, 2025
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Teresa M
Pawtucket, US
★★★★★ 5
Easy to travel
Color: Black
Purchased for travel. Fits my bracelets, watch and my phone. Plenty of room, easy to fold flat to put on my suitcase.
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Reviewed in the United States on May 29, 2026
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Lily Pointer
Cuba, US
★★★★★ 4
Nice tray
Color: Black
We use the tray on our end tables for pen, paper, clippers etc.
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Reviewed in the United States on May 4, 2026
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Darlene S.
Los Angeles, US
★★★★★ 5
Great Tray
Color: Black
Very nice. A little larger than expected, but turns out like the size!
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Reviewed in the United States on April 29, 2026
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Colorado great-gran
Carnegie, US
★★★★★ 5
Now hubby has a designated spot for his 'stuff'.
Color: Brown
Perfect size,nice looking, just snaps together.
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Reviewed in the United States on May 29, 2026

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