With Nixon's election, black and white radicals felt that the white and conservative backlash had taken over the "Establishment" and that official repression was bound to follow.
"The Black Experience in America The Immigrant Heritage of America"
Norman Coombs
It is practically necessary to make the spaces a little greater than the teeth; but if the greatest attainable exactness in the operation of the wheel is aimed at, it is important to observe that backlash, in elliptical gearing, has an effect quite different from that resulting in the case of circular wheels.
"Modern Machine-Shop Practice, Volumes I and II"
Joshua Rose
When the motion of the driver is reversed, the follower will stand still until the backlash is taken up, when the motion will go on with a perfectly constant velocity ratio as before.
"Modern Machine-Shop Practice, Volumes I and II"
Joshua Rose