What Are Some Qualities Of Cast Iron Architecture That Made It Popular In The Nineteenth Century?

What Are Some Qualities Of Cast Iron Architecture That Made It Popular In The Nineteenth Century? Even though architects of the late eighteenth century and early nineteenth century knew little of iron’s material properties, it proved to be a practical building material due to its durability, strength to weight ratio, and malleability for ornate designs.

How Did Carnegie Help The Economy?

How Did Carnegie Help The Economy? In the early 1870s, Carnegie co-founded his first steel company, near Pittsburgh. Over the next few decades, he created a steel empire, maximizing profits and minimizing inefficiencies through ownership of factories, raw materials and transportation infrastructure involved in steel making. How did Carnegie contribute to society? Andrew Carnegie (1835-1919)