Steam, Steel and Electricity

The opening chapters trace steam from a natural curiosity to a practical engine, beginning with early experiments and the gradual explosion that gave rise to the “Hero engine” and the Temple‑door machine. It follows the leap from Newcomen’s crude pump to Watt’s refined crank and governor, then shows how American inventors adapted the technology, making steam cheaper, simpler, and central to the nation’s growing industry.

The narrative then turns to steel, outlining humanity’s long relationship with metal—from bronze to the “lost arts” of early metallurgy. Readers learn how advances such as cast steel, the Bessemer converter, and modern rolling mills transformed construction, railways, and even skyscraper design, while also detailing the rise of American ironworks and the tools that reshaped factories and workshops.

Finally, the book surveys electricity’s evolution, starting with ancient static experiments and Franklin’s kite, moving through Volta’s first battery and Faraday’s induction, and culminating in the telegraph, telephone, and electric lighting. It explains the fundamental laws of conductors, magnets, and induction that still power today’s communications, transport, and medical devices.