KING'S COLLEGE LONDON / SCIENCE PHOTO LIBRARY KING'S COLLEGE LONDON / SCIENCE PHOTO LIBRARY
Stone-cutting tool, 16th-century artwork. This tool is being operated using a set of levers and shafts. The operator (upper left) is working on a block of stone or marble. A larger cutting blade is at lower left, mounted to swing freely on its shaft as needed. This is figure 10 from a book by the French inventor and mathematician Jacques Besson (circa 1540-1573). The Latin title of the book was 'Theatrum instrumentorum et machinarum' (Theatre of machines and instruments). It was originally published in around 1572. This engraving is from the 1582 edition, published in Lyon by the publisher Barthelemy Vincent.
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