20th century
3M Company Wollensak Stereophonic reel-to-reel tape recorder.
16.8 × 31.5 × 28.3 cm (6 5/8 × 12 3/8 × 11 1/8 in.)
Collection of Barnett and Annalee Newman Estate of Annalee Newman The Barnett and Annalee Newman Foundation