Figure 9-1.--Acoustic Device A Mk 2(g) rigged with an auxiliary depressor.
It is towed behind the ship by a buoyant acoustic
The Acoustic Device TB-26/A Mk 6(b) Acoustic-Device-Tb-26-A-Mk-6-B-179.html">(figure 9-2)
frequency output through the use of selective
is an electric-motor-driven mechanical oscillator that
eccentrics. The assembly uses a motor-driven
signals for use in sweeping acoustic mines.
mechanical oscillator containing two opposing piston