© 1954 by Oxford University Press
SOME EXTENSIONS OF "RAYLEIGH'S PRINCIPLE"
p. 259, section 3, second line following equation (7):
s should be As
p. 261, section 6, equations (11):
2 and
3 in first integrals (on left) should be deleted
p. 264, section 9, equation (19)A: 2(1+
) should be 2(1+
)
section 10, thirdline following equation (25): for nearer 
substitute nearer the smaller of 
and 
p. 265, section 11, fourth line following equations (26):
k should be
t
p. 266, section 13, first equation (29):
should be
p. 267, second line:
t should be
t