It was invented in 1761 by Benjamin Franklin, an important figure in ... while on a visit to Britain earlier that year. The armonica's glass bowls of graduated sizes are tuned to the notes of ...

It was invented in 1761 by Benjamin Franklin, an important figure in ... while on a visit to Britain earlier that year. The armonica's glass bowls of graduated sizes are tuned to the notes of ...

When Benjamin Franklin died in 1790, he left a small sum of money to the cities of Boston and Philadelphia with one condition: That they not spend it in full for 200 years. The glass armonica was ...

LOS ANGELES – Even Michael Douglas had doubts about portraying Benjamin Franklin in the Oscar ... it's one of the joys of life." Franklin invented the glass armonica, Douglas never mastered ...