Solomon Pool Complete Biography, History, and Inventions

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Solomon Pool was a famous educator, University of North Carolina fourth president, and clergyman.

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His role as an educator made him famous and ranked amongst the wealthiest educators in the United States of America.

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Solomon Pool invented the adding machine with a numerical capacity of 999.

What did Solomon Pool invent?

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While working as a school principal in Cary, Solomon Pool saw the need to develop a small handy adding machine to simplify mathematical calculations. 

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How did Solomon Pool invent his adding machine?

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He then invented a small cylindrical adding device with a numerical capacity of 999 (although Pool mentioned that a ring for thousands, or rings for any number representing a power of ten, maybe employed).

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