The railroad industry during the 1890s continued to see growth and expansion as it entered its Golden Age. Trains were becoming larger and heavier.
Joan Waugh's Gilded Age Homepage
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Railways, Growth, and Industrialization in a Developing German Economy, 1829–1910, The Journal of Economic History
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Industrial Revolution Facts & Worksheets
History of Architecture – Industrial revolution (18th century) & Revival (1880 – 1940) – John Gaber's Blog
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Second Industrial Revolution - Wikipedia