Product Code : WS-PWSO-0001
For use on pump plate not less than 15 cm. diameters Electric Bell operating on 4-6 volts AC/DC, suspended on rubber cord in bell jar....
Product Code : WS-PWSO-0002
To determine the standing longitudinal waves in column of air and velocity of sound in air, it comprises of a glass tube approx 1.2 meter length and 3...
Product Code : WS-PWSO-0003
Made of varnished wood with glass front and membrane suspended on cord for loading with sand to show positions of nodes and antinodes...
Product Code : WS-PWSO-0004
Square section with tapered mouthpiece, made of polished wood, with graduated sliding piston, square in section having a knob at the end for easy hand...
Product Code : WS-PWSO-0005
Overall length when fully extended is about 840 mm approx., 540 mm when closed, stoppered...
Product Code : WS-PWSO-0006
It consists of a tube 100cm long, 25mm dia mounted on a stand which is fitted with leveling screws....