Concert Pitch or Physics Scale, these equally tempered tuning forks are based upon the A note (440 Hz) above middle C (261.6). For teaching the physics of music. Each box contains its own mallet specially designed with one hard and one soft end for use with all frequencies of forks. Tuning forks can be used for demonstrating the relationship between sound and vibrations, the energy transfer between resonating systems and as a source of standard frequencies. Milled from non-rusting non-magnetic aluminum bar stock. Plain shank form. Stamped with the musical scale note sounded by the fork and the frequency in Hz at the base of the tine of each fork.

Frequencies include(in Hertz):

• C – 261.6- 7 1/4 long, handle is 1 3/4
• D – 293.7- 7 long, handle is 1 34/”
• E – 329.6- 6 3/4″ long,handle 1 3/4″
• F – 349.2- 6 1/2″ long, handle is 1 3/4″
• G – 392- 6 1/3″ long, handle is 1 3/4″
• A – 440- 6″ long, handle is 1 3/4″
• B – 493.9- 5 3/4″ long, handle is 1 3/4″
• C- 523.2- 5 1/2″ long, handle is 1 3/4″

Comes in a fitted wood case.