silence chamber

silence chamber

Atop a church, a chamber located between the ringing chamber and the belfry.
References in periodicals archive ?
The result is the new SPU Silencer, which consists of an optimized arrangement of an additional fluid chamber (silence chamber) immediately adjacent to the valve (timing) plate, which is the prim source of hydraulic noise.
The pair go head to head in the British Grand Prix at Crystal Palace on Sunday and Greene has vowed to silence Chambers' boast that he will beat his American rival at next month's world championships.