It varied from a knife edge on the inner side to eighteen inches on the outer side.
It's tough; you've shown me that, for a knife edge bites into it with difficulty.
In a knife edge support, seen in some forms of pendulums, is exhibited a form of rolling friction.
Their music puts, as it were, a knife edge upon the heat of the day.
To show he meant it, he pressed the knife edge hard against Celino's throat and sliced with it just enough to draw blood.
The knife edge of the ridge is generally not much over a foot wide.
Thus, the mass of the suspending apparatus could be neglected in the theory of motion of the pendulum about the knife edge.
Use a light touch, slope the knifeblade and slice with knife edge away from you (Figure 1).
The ridge had narrowed to a knife edge, and for a few yards it was utterly impossible to advance in any other way.
Gummed and varnished stock are likely to break small pieces off the knife edge.