Resonance Apparatus

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 :- 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 :- 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 :- 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)