Description:-

The apparatus consists of a mass attached to a spring, which is connected to a cord passing over a pulley and further connected to a drive wheel.  

The frequency of the drive wheel is displayed in School Lab Instrument on control unit display. 

Mass in the spring can be made to oscillate free or damped in a tube of water.

The amplitude can be measured with a scale. 

The system can be driven at various frequencies.

Feature:-

Mass on the spring oscillates free or damped in water.

Bright LED display of frequency. 

The system can be driven at various frequencies.

Easy to measure Amplitude.