Regarded as one of the most extraordinary public servants in American history, Franklin was also a printer, publisher, author, scientist, and inventor. After gaining popularity as the publisher of Poor Richard’s Almanack, he promoted public services in Philadelphia, including a library and a fire department. In 1776, he went to France to seek aid for the American Revolution, and in 1787 he was instrumental in the adoption of the US Constitution. What musical instrument did he invent? Discuss