Smithsonian Report, 1946.—Potter 
, three steady tones 
, hammer clicks 
, wobbled tone 
QBS 
Sound patterns of: 
D, siren 
EH, man whistling 
F, oboe solo 
J, soprano and baritone 
PEATEs, 
Seats: 
C. 
G, oearina solo 
H, ship’s bell (‘‘5 bells’’) 
I, tenor and orchestra 
