t foci are found this whispering galleryis very distinct in its enunciation. It would be even more distinct ifthe ceiling of the room were slightly lower, or, keeping the height thesame, if its radius of curvature were slightly greater. It would bestill better if the vases were sUghtly deeper. The… … Fig. 10. Section through Dome of St. Pauls Cathedral, London. 272 WHISPERING GALLERIES the dome of St. Pauls Cathedral in London. This gallery was firstbrought into scientific consideration by Sir John Herschel, who indescribing it stated that the faintest sound is faithfully conveyedfrom one side…
Architectural acoustics
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