Sector Explained
Everything You Need To Know
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From the end of the sixteenth century through the nineteenth century, the Sector, also known as a proportionate compass or military compass, was a popular calculating instrument.
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The Sector was invented before the start of the 17th century
When was Sector invented?
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A number of people, including Thomas Hood, Galileo Galilei, and Fabrizio Mordente, created the Sector, essentially concurrently and independently.
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Who created the Sector?
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The tool is based on the notion of similar triangles and can be used to graphically solve proportion questions.
What was the Sector used for?
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A pair of jointed legs with paired geometrical scales is its most important feature.
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