Object, Instrument, Technology

Picture: Max Planck Institute for the History of Science

Armstrong Cork,. 1932. “Armstrong's Acoustical Products”. Corkoustic, Ceramacoustic For Acoustical Correction Of Churches, Auditoriums, And Theatres, And Noise-Quieting Of Banks, Schools, Hospitals, Offices, Sunday School Rooms, Factories, And Other Public Buildings. Lancaster, PA.
MPIWG,. n.d. “Metal Monochord From The Charité Collection”.
MPIWG,. 2018. “Wooden Monochord From The Physiology Of Hearing Collection”. Hermann von Helmholtz.