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and embellish artwork
This multi-purpose medium dries fast with a clear finish
Using the photo-illustrated instructions
5cmMagnification: 5x
lightweight yet sturdy for everyday use
Bell in Vacuum with Plate & Bell - Electric Watercoloured Pencils and embellish artworkBell in Vacuum Experiment Propagation of Sound. A science experiment using a ringing alarm clock under the bell jar. As the air is pumped out of the sealed bell jar, the noise of the alarm clock fades, thus demonstrating that the propagation of sound is mediated by the air. In the absence of their medium, the sound waves cannot travel. Use with Vacuum Pump, SER1014149. Units: Each.
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