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Demonstrations · Pressure and Gas Laws
Bell in Vacuum Jar, 4-6 V DC, Acrylic
A bell in a vacuum jar made of acrylic, with an internal 4–6 V DC electric bell. As the air is pumped out, the ringing fades to silence, showing that sound needs a medium to travel.
- Material
- Acrylic
- Pack
- Single (1 EA)
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A bell in a vacuum jar made of acrylic, with an internal 4–6 V DC electric bell. As the air is pumped out, the ringing fades to silence, showing that sound needs a medium to travel.
| Cat. No. | PHD-12-A18-9000-002 |
|---|---|
| Category | Demonstrations / Pressure and Gas Laws / Vacuum Pumps, Plates and Bell Jars |
| Subject | Physics |
| Material | Acrylic |
| Pack size | Single (1 EA) |
| Voltage | 6 V DC |
| Shipping weight | 2.30 lbs / 1.043 kg · 1043 gms |
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