Ripple Tank MKIII and an instruction manual are

and an instruction manual are provided for a complete setup

for a valued teacher or as a gift for that hard to buy for person

Educational Physics Experiment: Ideal for physics demonstrations in educational settings

Internal/External measuring jaws

Designed for use in classrooms but is an ideal choice for science classrooms and household use

Ripple Tank MKIII and an instruction manual areThis compact unit provides an elegant method of demonstrating the wave phenomena of reflection, diffraction, refraction and interference with none of the setting up problems usually associated with ripple tanks. The concept has been further developed to offer new features and simplicity in this MKIII design. Dimensions: 225ccm 170cm 143cm. Weight: 1. 07kg. Input Voltage: Regulated 12V DC +pin. Current Requirement: 400mA. Strobe Frequency Range 30