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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Dianna Z.
Lexington, US
★★★★★ 5
Timex tradition
The watch is pretty and functions great. The only thing I don't like is the light blue second hand is a bit hard to see in certain lighting. The other hands and numbers are easy to read and the band is easy to use. Nice watch with my favorite features.
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Reviewed in the United States on February 9, 2020
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Amazon Customer
Port Orchard, US
★★★★★ 5
Good purchase.
This is a very good price. It is easy to read, lights up at night. I am a nurse and must have a watch for work. Colors are cheerful. Easy to clean the band.
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Reviewed in the United States on May 13, 2020
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T. Lindsay
Lake Worth, US
★★★★★ 4
Love the military time feature & indiglo!
This is a great watch. Large face. I think I’ll have to change the band out quicker than I had hoped but I still think for the price it is great. Also, the pin snapped out randomly the second day I wore it while doing chores but it was easy to put back in since the pin was easy to find (thankfully). Still like it a lot for the features.
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Reviewed in the United States on April 19, 2019
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jam
Fort Morgan, US
★★★★★ 5
Love! Wear it all the time!
Always love these, own several!
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Reviewed in the United States on February 13, 2026
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Dej
Belleville, US
★★★★★ 5
Attractive and reliable
Very attractive color. Numbers are large enough to read. Honestly don’t know if watch is completely water resistant because have not had the opportunity to find out. Love that watch lights up!
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Reviewed in the United States on March 18, 2021

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