FORE:Chuck-boring is employed in three cases; for holes of shallow depth, taper holes, and holes that are screw-threaded. As pieces are overhung in lathe-boring there is not sufficient rigidity neither of the lathe spindle nor of the tools to admit of deep boring. The tools being guided in a straight line, and capable of acting at any angle to the axis of rotation, the facilities for making tapered holes are complete; and as the tools are stationary, and may be instantly adjusted, the same conditions answer for cutting internal screw-threads; an operation corresponding to cutting external screws, except that the cross motions of the tool slide are reversed.
FORE:[39]
FORE:Neo-Platonism may itself furnish us with no inapt image of the age in which it arose. Like the unformed Matter about which we have been hearing so much, the consciousness of that period was in itself dark, indeterminate and unsteady, uncreative, unspontaneous, unoriginating, but with a receptive capacity which enabled it to seize, reflect, and transmit the power of living Reason, the splendour of eternal thought."Only tell me," Hetty exclaimed. "Poor woman! What is the address?"
THREE:CHAPTER XXIV. TRIP-HAMMERS.
THREE:"I'll take them off your hands and give you a cheque," said Isidore. "I shall want a lot of notes in the morning."
