Electronic Stethoscope
1:42
Added: 8 months ago
From: InstructablesTV
Views: 5,171
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  • i wish you guys did the office booby traps :(

    howtofold190 7 months ago

  • LINK

    salomon102 8 months ago

  • is that a piezo you put in the stethoscope?

    johnny1bucket 8 months ago

  • That's gay mine sounded like a horse:-P

    TheBlacksabbathfan9 8 months ago

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