The Triumvirate: Coal, Iron, and Steam

[Part of a series: The Age of Steam] The steam engine might have amounted to relatively little if not for its two compatriots, coal and iron. Together they formed a kind of triumvirate, ruling over an industrial empire. Or perhaps an ecological metaphor is more appropriate – a symbiosis among three species, each nourishing one… Continue reading The Triumvirate: Coal, Iron, and Steam