Keywords: Glassharmonica.png Image of the glassharmonica invented by Benjamin Franklin Image représentant le glassharmonica de Benjamin Franklin Imagem da armônica de Benjamin Franklin feita de várias taças de formatos diferentes Some letter of B Franklin to Abbé en Giambatista Beccaria unknown - someone hired by B F ~ 1762 PD-old Giambatista Beccaria Glass harmonicas |