|
|
| |
|
Tuning Forks (P-7220) Made of nickel plated steel with plain shank. (C1 256) to (C2 512) Frequency Hz : a) 256 C b) 288 D c) 320 E d) 341 F e) 384 G f) 426 A g) 480 B h) 512 C
|
|
|
|
Tuning Fork Set (P-7225) Set of 8 tuning fork of nickel plated steel with plain or screwed shank in case, frequencies marked from (C1 256) to (C2 512) as above.
|
|
|
|
Pair of Tuning Forks on Resonance Boxes (P-7240) Two Tuning forks are mounted on two wooden resonance boxes dimensions of which are compatible with frequency of the forks to produce a strong sustained tone. Forks are nickel plated with shanks to screw in the bushes on the top of the boxes. Each set supplied with rubber headed hammer.
|
|
|
|
Four Tuning Forks On Resonance Box (P-7250) Four tuning forks are mounted on a single proper sized resonance box to produce a major chord. Forks have frequencies of C1 256, E 320 Hz, G 384 Hz and C2 512 Hz. When struck together with hammer, the forks will produce the chord of C major. Supplied complete with one hammer.
|
|
|
|
Beats Apparatus (P-7255) It comprises two tuning forks each of frequency 426 Hz on two separate resonance boxes. One fork is fitted with adjustable loading mass. When both forks are sounded together, a clearly audible beat is produced. Rate of beats depends on difference in frequencies. This difference can be increased by changing the loading mass.
|
|
|
|
Hammer Rubber (P-7260) A rubber ring mounted on a metal disc with steel rod and wooden handle.
|
|
|
|
|
|
| |