railway

August Leopold Crelle and his Journal

August Leopold Crelle and his Journal

On March 11, 1780, German mathematician and civil engineer August Leopold Crelle was born. Crelle is best known for being the founder of Journal für die reine und angewandte Mathematik (also known as Crelle’s Journal). He also worked on the construction and planning of roads and the first railway in Germany, which was completed in 1838. “The real purpose of mathematics is to be the means to illuminate reason and to exercise spiritual…
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The Tower Subway – the World’s First Tube Railway

The Tower Subway – the World’s First Tube Railway

On August 2, 1870, the Tower Subway, the first tube railway in the world, was opened under the River Thames in London, England. Engineer James Henry Greathead used a tunnelling shield he modified from Barlow’s design to bore the 6-ft diameter tunnel near the Tower of London. It opened with steam operated lifts and a 12-seat carriage shuttled from end to end by wire rope powered by a steam engine. In the 19th century,…
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