US$ 243.21
Studies oblique collisions between steel balls on a flat surface
Acrylic bell-in-vacuum jar with an internal 4-6V DC electric bell that fades and falls silent as the enclosed air is removed
Metal spouting cylinder with multiple outlet holes at different heights
Plug-in 120V AC blower sized to feed a linear air track
Bell in Vacuum Jar, Acrylic, 4-6V DC Pack Size_100 Studies oblique collisions between steelAcrylic bell in vacuum jar with an internal 4 6V DC electric bell that fades and falls silent as the enclosed air is removed, visualizing sound transmission dependence on a medium.
US$ 243.21
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