THREE:Boring, as distinguished from drilling, consists in turning out annular holes to true dimensions, while the term drilling is applied to perforating or sinking holes in solid material. In boring, tools are guided by axial support independent of the [137] bearing of their edges on the material, while in drilling, the cutting edges are guided and supported mainly from their contact with and bearing on the material drilled.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.
Click Me!
Look at Me!