The plates were reduced to a knife edge in line of fracture.
It's tough; you've shown me that, for a knife edge bites into it with difficulty.
Their music puts, as it were, a knife edge upon the heat of the day.
The knife edge of the ridge is generally not much over a foot wide.
Use a light touch, slope the knifeblade and slice with knife edge away from you (Figure 1).
Do not have the teeth too sharp, and if necessary, rub off the knife edge with F emery-cloth.
Laplace had already shown that the knife edge must be regarded as a cylinder and not as a mere line of support.
Thus, the mass of the suspending apparatus could be neglected in the theory of motion of the pendulum about the knife edge.
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.