IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. An engine indicator is an instrument ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. An engine indicator is an instrument ...

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A USEFUL little treatise, easy to read and understand, and well illustrated. It has some defects. The error due to stretching of the cord is thought to be merely a ...

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In a world propelled by combustion engines, gas turbines and nuclear reactors, the steam engine may seem like a relic of the past. But without this game-changing invention, the modern world would be a ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Each Monday, this column turns a page in history to explore the discoveries, events and people ...