File:Vintage General Electric Reel-To-Reel Portable Musaphonic Tape Recorder, Model M8010, Measures 11.3 x 8 x 3.2 Inches, Circa 1966 (12682986094).jpg - Wikimedia Commons
1/4 7 Inch Nab Aluminum Metal Reel, Universal 3 Holes Empty Take Up Reel to Reel Small Hub, Low Noise, for Fix Your Tape Recorder or Replace It with a