A device which magnetically aligns all of the iron oxide molecules on a magnetic tape or film, thus eliminating any "sound" on them. A strong electro-magnet, used to erase an entire reel of tape at once. A degausser.
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Bulk eraser -- A device which magnetically aligns all of the iron oxide molecules on a magnetic tape or film, thus eliminating any "sound" on them. A strong electro-magnet, used to erase an entire reel of tape at once. A degausser.
