p. 308
In Table I, at point a1 the second value of b 2 in the

p. 309
In Table II the following corrections should be made in the values for the average strain-rates at the points a1 and a2:



Published online by Cambridge University Press: 30 January 2017
p. 308
In Table I, at point a1 the second value of b 2 in the
p. 309
In Table II the following corrections should be made in the values for the average strain-rates at the points a1 and a2: