Description :-
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.
Description :-
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.
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 :-
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.
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 :-
Wooden baseboard 690 x 90 mm on four feet.
At one end are two 50 N spring balances with hooks and at the other are two wrest-pins.
With one large and two small bridges, wrest pin key and 2 steel wires, each 1 meter long, without masses.
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 :-
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.
Reviews
There are no reviews yet.