"Knife-edge" Quotes from Famous Books
 ... contact. Nothing tender, nothing sympathetic, had ever had a chance to fasten upon it—no wind-sown blossom, no familiar softening moss. Her offered, her passive extent, in other words, was about that of a knife-edge. Isabel had reason to believe none the less that as she advanced in life she made more of those concessions to the sense of something obscurely distinct from convenience—more of them than she independently exacted. She was learning to sacrifice consistency to considerations of that inferior ...
— The Portrait of a Lady - Volume 1 (of 2) • Henry James
... is polished enough to reflect some light, it should be tested with the knife-edge test. In a dark room, set the speculum against the wall, and a large lamp, L, Fig. 2, twice the focal length away. Place a large sheet of pasteboard, A, Fig. 2, with a small needle hole opposite the blaze, by the side of the lamp, ...
— The Boy Mechanic: Volume 1 - 700 Things For Boys To Do • Popular Mechanics |
