e so-called echo. It is of its size and proportions, is the pitch at which the the pressure of the air being increased until the sound questionable whether all cases of such effects are sound of least intensity can be heard throughout the genuine echoes. Still, the effect, if detrimental to dis-… … ») mensions from about 50 feet by 70 feet to 95 feet lamps probably assist laterally. A placing of HERING’S PHONOMETER. by 102 feet, and in seating capacity from 800 to the organ in Nos. 1 and 2 asin No. 4 is doubt- 2,200, and were diverse in architectural style. less beneficial. In No.3 there is…
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