Comprises a tube 100 cm long and 25 mm dia mounted on a stand fitted with levelling screws. The lower end of the rubber tubing supplied is connected to a 500 ml glass reservoir which slides on a metal pole and can be raised or lowered to change the length of the air column. Used to calculate the speed of sound in air at room temperature with a tuning fork.

We are manufacturers and suppliers of the Resonance Apparatus, serving Algeria, Argentina, Australia, Bahrain, Bangladesh, Belgium, Bhutan, Brazil, Cambodia, Cuba, Cyprus, Denmark, Ecuador, Egypt, Ethiopia, Finland, France, Georgia, Germany, Ghana, Hungary, Iceland, Italy, Japan, Jordan, Kenya, Kuwait, Malaysia, the Philippines, Tanzania and Uganda.