We have also sound houses, where we practice and demonstrate all sounds and their generation. We have harmonies which you have not, of quarter sounds and lesser slides of sounds. Divers instruments of music likewise to you unknown, some sweeter than any you have; together with bells and rings that are dainty and sweet. We represent small sounds as great and deep; likewise divers trembling and warblings of sounds, which in their original are entire. We represent and imitate all articulate sounds and letters, and the voices of beasts and birds. We have certain helps which set to the ear to do further the hearing greatly. We have also divers strange and artificial echoes, reflecting the voice many times, and as if it were tossing it; and some that give back the voice louder than it came, some shriller and some deeper; yea, some rendering the voice, differing in the letters or articulate sound from that they receive. We have also means to convey sounds in tubes and pipes, in strange lines and distances...

Francis Bacon
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