ESAW Dual Purpose Ripple Tank (SW-2013)This dual purpose tank is a versatile apparatus allowing all types of waves and wave motion. With illuminator lamp and important accessories included it forms a complete ready to use unit. The unique design and size allows it to be used on an overhead projec...

SW-1794 - ESAW Vacuum Metal Plate The top plate measures 11" in diameter and can be used with bell jars up to 9" in diameter. Constructed of cast iron, the plate is equipped with a 3/8" hose connection, vacuum release valve, and rubber gasket to provide a tight seal.

ESAW Resonance Demonstration Pipe (SW-2022)Set of eight copper pipes with tuning fork (256 Hz) to show how resonance tones can only be created from certain pipes. O-rings are attached to the ends of the pipes which protects the tubes from the drop. Includes Instructions.

SW-1803 - ESAW Narrow Steel Spring Diam. 20 mm. length 3 meters approx. when closed, extending to 10 meters, for transverse wave motion experiments.

Sw-1812 - ESAW Longitudinal Wave Demonstration To study waves and to demonstrate compression, rarefaction, amplitude, wavelength, echoes, volume, and pitch. Inexpensive model for creating longitudinal/compression waves by simply pushing a Slinky along a track. Includes instructions. 

ESAW Superior Tuning Fork (SW-2040)Made of aluminum, Accurate, each pc is individually testedPRODUCT CODE                     HZ                    TONESW-2040                                   100                   TONESW-2040                                   128                   C1SW-2040    ...

SW-1821 - ESAW Powell's Wave MachineConsisting of 19 spheres, each mounted on a 75 mm a long rod, with a collar for attachment to a shaft. The spheres are mounted at 20° intervals, equally spaced along the shaft. The shaft rotates in two pillars mounted on a base. 

ESAW Major Chord Tuning Fork (SW-2049)4 precision aluminium alloy tuning forks to sound the major chords (C-256, E-320, G-384, and C-512). Frequency and note are stamped on each fork.

ESAW Adjustable Tuning Fork (SW-2058)Sliding weights on each prong of tuning fork can be adjusted to deliver tones at C-128, D-144, E-160, F-170.7, G-192, A-213.3 and B-240 frequencies.