tuning fork, 4,5 mm., round, nickel plated, e1-329.6 Hz.
tuning fork, 4x8 mm., square, nickel plated, b1-493.88 Hz.
striker for pitch fork on resonance case
tuning fork, 3,6 mm., round, nickel plated, a1-440.0 Hz.
tuning fork, 3,6 mm., round, nickel plated, c2-523.3 Hz.
tuning fork, 4,5 mm., round, nickel plated, e1-329.6 Hz.
tuning fork, 4x8 mm., square, nickel plated, b1-493.88 Hz.