| Duncan Farquharson Gregory - 1845 - 364 pages
...opposite sides. These may be considered as a particular case of cylindrical surfaces, since they may be generated by the motion of a straight line remaining parallel to itself. We have now discussed the forms of all the varieties of surfaces which are represented by the general... | |
| Duncan Farquharson Gregory, William Walton - Geometry, Analytic - 1845 - 306 pages
...opposite sides. These may be considered as a particular case of cylindrical surfaces, since they may be generated by the motion of a straight line remaining parallel to itself. We have now discussed the forms of all the varieties of surfaces which are represented by the general... | |
| Fred Smith Kidder - Sheet-metal work - 1917 - 296 pages
...is at right angles to the planes, oblique when it is not; in the higher geometry, any curved surface generated by the motion of a straight line remaining parallel to itself and constantly intersecting a curve. DEGREE. — A unit of angular measure, the ninetieth part of a... | |
| Law reports, digests, etc - 1906 - 1066 pages
...conveyer and the carrier do not constitute a cylinder, because it says that a cylinder is defined as a solid, whose curved bounding surface is generated by the motion of a straight line, etc., citing what is the usual definition. This appears to be an extraordinary refinement of language,... | |
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