The brake on a small gauge video or audio cassette

Clip by Pat Shevlin (http://ptlp.com/)
Wiki > The_brake_on_a_small_gauge_video_or_audio_cassette
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Pat Shevlin demonstrates the "brake" on an 8mm video tape cassette. The brake operates on a spring and its two wings engage tiny grooves on the outer edge of the reel. Pulling the brake back releases the reels so they will turn.


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