"Wards"
21
CENCO® String Vibrator
Unit consists of a sturdy metal frame carrying a DC motor with an eccentric shaft for exciting the vibrations. Clamp the frame to a table, attach a string and then simply use masses and a pulley to put tension on the string.
Bell Jar with Battery Operated Buzzer
This bell jar demonstrates that sound waves can't travel and therefore can't be heard without air or matter.
Tuning Fork Set
Scientific tuning forks are designed for acoustic research, sound wave analysis, and calibration standards.
Resonance Apparatus
With the Resonance Apparatus, students investigate the effect of frequency on wavelength.
Eisco® Ripple Tank Advanced with Projection Screen
This advanced ripple tank comes complete with all accessories needed for wave investigations.

