SW-1839 - ESAW Metal Wave Machine Demonstrating longitudinal and transverse waves. A number of eccentric discs move a number of metal rods. Transverse waves are obtained by straight rods and longitudinal waves by bent rods.

ESAW Music Tuning Fork Set (SW-2076)The high quality tuning fork set covers the octave from middle to high C. It consists of one each of 261.6C, 293.7D, 329.6E, 349.2F, 392G, 440A, 493.9B and 523.2. Set of eight, with activator .

 SW-1848 - ESAW Plastic Wave Machine Made of plastic. The rotating handle is fitted with a circular scale marked in degrees to indicate the indication. The plastic highlighted tips make easy observation of wave motion.

ESAW Tuning Forks Set (SW-2085)Made of steel, chromatic scale, frequency 256 to 512, in Styrofoam case. Chrome Plated.

ESAW Set Of Four Tuning Forks (SW-2094)Threaded shanks, mounted on a common resonance box and having frequencies of C1 (256), E (320), G (384) and C2 (512) Hz. Size of box 285 x 115 x 63 mm approx., complete with hammer.

ESAW Set Of Two Tuning Forks (SW-2103)The forks have threaded shanks and will screw in the box tops. Frequency of each is A (426). One fork is fitted with a sliding mass to alter its frequency. On sounding both forks, a clear 'beat' is produced. Supplied with one hammer. Size of box 180 x 88 x 53...

SW-1866 - ESAW Digital Stroboscope Stroboscopic flashes are triggered by either the internal oscillator or by external pulses which may be connected to the two 4mm sockets mounted on the rear panel of the instrument. Example of the many applications of this unit is to be found in motion analysis ...

ESAW Set Of Two Superior Tuning Forks (SW-2112)Set of two resonance boxes with extra heavy aluminium forks having double the duration of audible vibration than the ordinary forks. One fork is weighted and can be adjusted over range of about 30 Hz. forks are of different lengths 19.4 cm and 17.5 c...

ESAW Tuning Fork Activator (SW-2121)Tuning Fork Activator is used as a surface to gently strike the tuning fork to activate vibrations. Rubber activator is tapered so the bottom is wider for stability. Made of solid rubber.