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Poulsen's Wire Recorder (Vol. 23)
GK-ONK23
Science Kits > Otona no Kagaku
Features
- ODM DIY Kit
- Recreate world's first magnetic recording device
- Invented by Danish telephone engineer Valdemar Poulsen
- Record your voice or sound onto wires or other metalic items
- Assembling this kit helps the user understand the physics behind wire recorders