Smithsonian Report, 1953. — Richardson 



Plate 2 



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1. Wave Form of Reed Organ pipe. 



1, Reed alone; 2, 3, 4, mouthpiece alone at increasing blowing pressure; 7, 8, 9, mouthpiece 

 coupled to pipe at same pressures. 



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Courtesy of Dr. E. O. Cook 



Conrte-fij of J'rof. F. .1. Saunders 



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c Courtesy of Dr. J. A/. .4. Lenihan 



2. Wave Forms OF Transients. 



a, Flue organ pipe. (The uppermost trace is of a 25 c/s marker), b, Violin string. 

 Bagpipe, passing from B513 to C570. 



