Show A freak of sound waves talking about vibrations said an organist reminds me of a most peculiar fact in regard to the acoustic properties of st james church here in town before the new organ was installed there was one spot the rear of the church where the sound waves came together in such a man nea that a person sitting there could hardly hear a sound while ohp organ was being played the explanation Is quite simple it seems that at this very spot the waves vibrating from each side of the church came together at uneven intervals forming a break in the wave series and neutralizing the sound entirely the new organ was placed so as to overcome this biffi culty I 1 have seldom heard of a par albel case philadelphia telegraph |