Melde’s Apparatus:MPH-SW-23
- Improved type , to show effects of vibrations in a stretched cord and to investigate relation between frequency , tension and density .
- Comprising an adjustable length of thin steel rod mounted in a pair of socket terminals near one end and passing through an A.C. energising
- coil and a permanent magnet .
- The other end of the wire has a small boss with clamping screw for
attaching to cord.
