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He invented a little-known instrument called the "glass harmonica". It was a series of glass discs of graduated sizes all on one axle. It turned by foot treadle in a reservoir of water, with the upper half of the glass discs out of the water. Placing a moist finer against any one of the wet discs gave a musical tone.
What else can I help you with?
What is Benjamin Franklin's surname?
Benjamin Franklin's surname is Franklin.
Who led the Americans' negotiations with France?
Benjamin Franklin and John Adams
What was Benjamin Franklin's mother's last name?
Franklin! That's why they called him Benjamin Franklin.
Who was Benjamin Franklin's father?
Benjamin Franklin's father was Josiah Franklin.
What is the scientific name of Benjamin Franklin?
Benjamin Franklin
Who wrote an autobiography of Benjamin Franklin?
benjamin franklin
Is Benjamin Franklin single?
No, Benjamin Franklin is not single.
Who is the oldest person to sighn the constitution?
the oldest person to sighn the constition was ben Franklin
Who are Benjamin Franklin's parents?
Benjamin Franklin's parents were: Josiah Franklin and Abiah Franklin. They were both English.
What was Benjamin Franklin's son's name?
William Benjamin Franklin
Is Benjamin Franklin the same person as Benjamin Franklin?
yes
Who invented the bifocals eyeglasses?
Benjamin Franklin.
