Diffraction Grating Slides, 500lines/mm, Highly efficient embossed Holographic Optical Elements, For the direct viewing and analysis of spectra from different gas tubes and other light sources, Use in conjunction with colored film gels, Dimension: 2x2in
Meldes Vibrating String Apparatus, consists of a string and an oscillator to generate different frequencies, Requires 6 V, 50 Hz power source, with 4mm plug leads, Weight (lb): 1.4, Length (in):11.0, Width (in):6.0, Height (in):3.0
Tuning Fork Set Of 8 With Hammer, With Foam Lining For Easy Storage Of All Parts. Frequency Marked 256Hz, 288Hz, 320Hz, 341Hz, 384Hz, 426Hz, 480Hz & 512Hz. Complete With Hammer.
Aluminum Tuning Forks, Set Of 8, Includes: (8) Tuning Forks, Best Quality Nickel-Plated, Plain Shanks, With Frequency Marked, C (256), D (288), E (320), F (341), G (384), A (426), B (480), C (512). Set Supplied In Wooden Case.
Drilled Ball Set, 1inch Diameter, set of 12, erfect for conducting own pendulum experiments, 3mm hole is drilled down the center of each ball, Comes in a plastic container with foam padding to hold the drilled balls firmly in place
Vibration Generator Set, mechanical vibration and wave motion apparatus based on a vibration generator that can be used with any frequency generator that can deliver a signal of up to 1A, used on the bench or attached to stand material via a threaded socket on the bottom
Mat for the Resonance Bowl The 7in (180mm) round mat can withstand up to 250C (480F).prevent slipping and allows for larger standing waves by preventing vibrations from transferring to the table.
Assorted Large Drilled Ball Set, set of 12, A 3mm hole is drilled through the center of each ball. Every set comes in a convenient plastic storage case, with a foam bottom that holds each ball firmly in place