1. Resonance column jar and stand

Stand: Heavy cast iron base  with boss head and clamp
Jar: Acrylic
Length: 600 mm

2. Resonance column tube set

Set of 3 tubes of length 300 mm,
600 mm and 900 mm
Material: Aluminium

3. Tunning fork

Calibrated aluminium tuning fork with rubber pad, set of 8
Rubber pad: Included

4. Digital tunning fork

Alternate to manual tuning fork, adjustable frequency and  fixed amplitude
Audible up to 85 dB
Rated Input: 220 V/50 Hz or 110 V/60 Hz