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Why did Galileo Galilei present a telescope to the Venetian Senate?
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Galileo
Galileo, oil painting by Justus Sustermans, c. 1637, in the Uffizi Gallery, Florence.
In August 1609, Galileo Galilei presented an improved, eight-powered telescope to the Venetian Senate to demonstrate the value of his refined instrument. By successfully figuring out how to improve the design of the spyglassāwhich had been recently invented in the Netherlandsāand mastering the art of lens grinding, he proved the practical utility of his work to the Venetian Republic.
This presentation was a strategic success: in recognition of his achievement, the Senate rewarded Galileo with life tenure and a doubling of his salary, making him one of the highest-paid professors at the university at that time.1