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Helmholtz Resonator d = 40 mm, 1003522 [U8430330], Sound

Helmholtz Resonator d = 40 mm

£ 16.92
Item: 1003522 [U8430330]
Hollow glass bulb with a narrow tube leading out for demonstrating acoustic resonance. The fundamental oscillation is generated by blowing into the opening or banging on the outside of the bulb. The elasticity and inertial mass of the air ... more
Helmholtz Resonator d = 34 mm, 1003523 [U8430340], Sound

Helmholtz Resonator d = 34 mm

£ 15.12
Item: 1003523 [U8430340]
Hollow glass bulb with a narrow tube leading out for demonstrating acoustic resonance. The fundamental oscillation is generated by blowing into the opening or banging on the outside of the bulb. The elasticity and inertial mass of the ... more