 | James Martin (of the Wedgwood inst, Burslem.) - 1876 - 334 Seiten
...method before given, we shall soon discover that the various points in these curves are situated in two planes at right angles to each other, and to the vertical plane, the sections formed by them being, in fact, ellipses equal and similar to each other. It is not necessary... | |
 | Great Britain. Education Department. Department of Science and Art - 1882 - 510 Seiten
...projection. b. A plane at right angles to both planes of projection, and a line perpendicular to it. c. Two planes at right angles to each other and to the vertical plane of projection. (15.) *26. Determine the intersection of the given line a't', at with the given plane. (14.) *27. The... | |
 | David Allan Low - 1884 - 178 Seiten
...projection. b. A plane at right angles to both planes of projection, and a line perpendicular to it. c. Two planes at right angles to each other and to the vertical plane of projection. (15.)2 *2. Determine the intersection of the given line s't' , st with the given plane. (14.) *3. The... | |
 | Great Britain. Education Department. Department of Science and Art - 1886 - 640 Seiten
...circle touching the given line ab in c, and passing through the given point p. (8.) Solid Geometry. 4. Represent by their traces : — a. Two planes at right...of them inclined at 40° to the horizontal plane. 6. Two parallel planes not at right angles to either plane of projection. (8.) 5. Draw the trace of... | |
 | Sidney Herbert Wells - 1900 - 202 Seiten
...a plane inclined at given angles to the HP and VP is too advanced for insertion here.) EX. 14. — Represent by their traces (a) two planes at right angles to each other and to the VP, one of them inclined at 40° to the H P. (6) Two parallel planes not at right angles to either... | |
 | Sidney Herbert Wells - 1905 - 246 Seiten
...a plane inclined at given angles to the HP and VP is too advanced for insertion here.) EX. 14. — Represent by their traces (a) two planes at right angles to each other and to the VP, one of them inclined at 40° to the H P. (6) Two parallel planes not at right angles to either... | |
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Represent by their traces : — a. Two planes at right angles to each other and to the vertical plane of projection, and one of them inclined at 40° to the horizontal plane. 