Reverberations of the gossip of St James's and Mayfair extended to Bloomsbury in those days.
The symmetry is remarkable, and the reverberations are strangely musical.
The arched passage-way is very symmetrical, varying in height from 19 to 35 ft., and famous for its musical reverberations - not a distinct echo, but an harmonious prolongation of sound for from 10 to 30 seconds after the original tone is produced.
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