"Some kinds of nails, such as those used for defending the soles of coarse shoes, called hobnails, require a particular form of the head, which is made by the stroke of a die."

Stroke

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Mathematician

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About Charles Babbage

Charles Babbage was an English mathematician, inventor, and mechanical engineer often called a father of the computer. He designed the Difference Engine and later the Analytical Engine, foundational concepts in computing history. His work influenced later developments in programmable machines.

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