![The Wollensak brand was used by the 3M corporation for a series of educational cassette recorders and high-speed cassette duplicators between 1973 and 1983. Wollensak 3M Tape Recorders designed for classroom use The Wollensak brand was used by the 3M corporation for a series of educational cassette recorders and high-speed cassette duplicators between 1973 and 1983. Wollensak 3M Tape Recorders designed for classroom use](https://i.redd.it/qvfde2q4j8la1.jpg)
The Wollensak brand was used by the 3M corporation for a series of educational cassette recorders and high-speed cassette duplicators between 1973 and 1983. Wollensak 3M Tape Recorders designed for classroom use
![Reel to Reel Tape Recorder Manufacturers - Wollensak • 3M • Revere - Museum of Magnetic Sound Recording Reel to Reel Tape Recorder Manufacturers - Wollensak • 3M • Revere - Museum of Magnetic Sound Recording](https://museumofmagneticsoundrecording.org/images/R2R/vinUnique3Mc.jpg)
Reel to Reel Tape Recorder Manufacturers - Wollensak • 3M • Revere - Museum of Magnetic Sound Recording
![Reel to Reel Tape Recorder Manufacturers - Wollensak • 3M • Revere - Museum of Magnetic Sound Recording Reel to Reel Tape Recorder Manufacturers - Wollensak • 3M • Revere - Museum of Magnetic Sound Recording](https://museumofmagneticsoundrecording.org/images/R2R/3MThriller.jpg)
Reel to Reel Tape Recorder Manufacturers - Wollensak • 3M • Revere - Museum of Magnetic Sound Recording
![NASA 3m m79 Tape Machine Used To Record Space Shuttles - bought from guy who found on the street : r/audioengineering NASA 3m m79 Tape Machine Used To Record Space Shuttles - bought from guy who found on the street : r/audioengineering](https://external-preview.redd.it/9FOZsrk_k6NaEtVzIJVCOAEpxGAL92UYt0xXVTdVhok.jpg?auto=webp&s=5845d56e725cb1da565d55d562aee1b3b379eae0)