Robert Fludd’s Temple of Music. One of the great seventeenth-century occultist’s contributions to the domain of speculative technology. From his Utriusque cosmi (1617).
Featured on PDR in the essay Cat Pianos, Sound-Houses, and Other Imaginary Musical Instruments
Deirdre Loughridge and Thomas Patteson, curators of the Museum of Imaginary Musical Instruments, explore the wonderful history of made-up musical contraptions, including a piano comprised of yelping cats and Francis Bacon's 17th-century vision of experimental sound manipulation.