Description :-
On sturdy base, can be used in horizontal or vertical position. Prong size is 300 x 25 x 10 mm. Actuated by an electromagnet between the prongs, works with 6 V D.C. Amplitude of vibration can be varied by adjusting the position of the electromagnet.
Description :-
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.
Description :-
Hollow wooden sounding box 1290 x 130 x 110 mm, with mm scale, has two fixed bridges 72 cm apart over which wires are stretched.
To one wire is fitted a spring balance reading to 100 N x 5 N and its tension can be adjusted by a winged nut and measured.
Another wire passes over a pulley and can be loaded as desired.
A third wire, for comparison, can have its tension adjusted by a wrest-pin.
With 3 movable bridges, wrest-pin key, spring balance, and set of four wires of different diameters, each 1.5 meter long, without masses.
Description :-
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.
Description :-
Consists of aluminum tuning forks, mallet in a wooden box.
Tuning forks are stamped with frequency and note. Set of 8
(C-256, D-288, E-320, F-341.3, G-384, A-426.6, B-480, C-512) Set of 13
(G-100, C-128, C-256, D-288, E-320, F-341.3, G-384, A-426.6, B-480, C-512, C-1024, C-2048 and C-4096)
Description :-
1200 x 115 x 60 mm hollow box with two fixed bridges with a one meter scale in between and with a pulley and wrest pin for wires, complete with a long movable bridge, wrest pin length, without masses.
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