178:
184:
189:
72:
606:
230:– You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
43:
155:
642:
517:
447:
411:
83:
673:
This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.
237:
51:
537:
501:
395:
367:
354:
339:
467:
431:
312:
295:
374:
199:
676:
If the file has been modified from its original state, some details may not fully reflect the modified file.
236:– If you remix, transform, or build upon the material, you must distribute your contributions under the
196:
346:
91:
616:
605:
600:
42:
126:
An envelope of ellipses forming two general offset curves above and below a given curve.
637:
279:
An envelope of ellipses forming two general offset curves above and below a given curve
78:
171:
I, the copyright holder of this work, hereby publish it under the following license:
135:
573:
Click on a date/time to view the file as it appeared at that time.
660:
66:
448:
Creative
Commons Attribution-ShareAlike 4.0 International
110:
90:
Commons is a freely licensed media file repository.
56:(560 × 232 pixels, file size: 22 KB, MIME type:
347:https://commons.wikimedia.org/user:EricBrechner
247:https://creativecommons.org/licenses/by-sa/4.0
71:
253:Creative Commons Attribution-Share Alike 4.0
177:
8:
643:User:The Editor's Apprentice/sandbox/4
213:– to copy, distribute and transmit the work
678:
575:
275:
653:The following other wikis use this file:
200:Attribution-Share Alike 4.0 International
688:
680:
635:
551:
535:
515:
499:
481:
465:
445:
429:
409:
393:
326:
310:
293:
290:
271:
264:
633:The following 2 pages use this file:
7:
623:User created page with UploadWizard
564:
188:
183:
671:
284:
278:
174:
170:
120:
103:
49:
283:
269:
224:Under the following conditions:
195:This file is licensed under the
187:
182:
176:
70:
31:
21:
266:
121:
46:No higher resolution available.
14:
265:
26:
1:
518:original creation by uploader
36:
291:Items portrayed in this file
710:
657:Usage on fr.wikipedia.org
238:same or compatible license
565:
145:
16:
268:
204:
116:Envelope of ellipses.png
77:This is a file from the
52:Envelope_of_ellipses.png
622:
151:
141:
134:
131:
113:
81:. Information from its
84:description page there
682:Horizontal resolution
601:18:33, 28 April 2019
690:Vertical resolution
219:– to adapt the work
368:Wikimedia username
355:author name string
697:
696:
649:Global file usage
626:
432:copyright license
277:
161:
160:
99:
98:
79:Wikimedia Commons
32:Global file usage
701:
679:
661:Courbe parallèle
613:
396:copyright status
377:
372:
362:
359:
349:
344:
260:
257:
254:
251:
248:
240:as the original.
197:Creative Commons
191:
190:
186:
185:
180:
179:
147:
137:
125:
117:
111:
95:
74:
73:
67:
61:
59:
709:
708:
704:
703:
702:
700:
699:
698:
667:
647:
627:
619:
611:
567:
566:
563:
562:
561:
560:
559:
558:
557:
556:
554:
544:
543:
542:
540:
529:
528:
527:
526:
525:
524:
523:
522:
520:
508:
507:
506:
504:
493:
492:
491:
490:
489:
488:
487:
486:
484:
483:22 January 1990
474:
473:
472:
470:
459:
458:
457:
456:
455:
454:
453:
452:
450:
438:
437:
436:
434:
423:
422:
421:
420:
419:
418:
417:
416:
414:
402:
401:
400:
398:
387:
386:
385:
384:
383:
382:
381:
380:
379:
378:
373:
370:
364:
363:
360:
357:
351:
350:
345:
342:
333:
332:
331:
329:
319:
318:
317:
315:
304:
303:
302:
301:
300:
298:
282:
281:
280:
263:
262:
261:
258:
255:
252:
249:
246:
245:
203:
192:
173:
172:
167:
162:
136:22 January 1990
127:
115:
108:
101:
100:
89:
88:
87:is shown below.
63:
57:
55:
48:
47:
12:
11:
5:
707:
705:
695:
694:
691:
687:
686:
683:
670:
666:
665:
664:
663:
651:
650:
646:
645:
640:
638:Parallel curve
631:
630:
625:
624:
621:
617:
614:
608:
603:
598:
594:
593:
590:
587:
584:
581:
578:
571:
570:
555:
552:
550:
549:
548:
547:
546:
545:
541:
536:
534:
533:
532:
531:
530:
521:
516:
514:
513:
512:
511:
510:
509:
505:
502:source of file
500:
498:
497:
496:
495:
494:
485:
482:
480:
479:
478:
477:
476:
475:
471:
466:
464:
463:
462:
461:
460:
451:
446:
444:
443:
442:
441:
440:
439:
435:
430:
428:
427:
426:
425:
424:
415:
410:
408:
407:
406:
405:
404:
403:
399:
394:
392:
391:
390:
389:
388:
366:
365:
353:
352:
338:
337:
336:
335:
334:
330:
327:
325:
324:
323:
322:
321:
320:
316:
311:
309:
308:
307:
306:
305:
299:
294:
292:
289:
288:
287:
286:
285:
274:
273:
270:
267:
244:
243:
242:
241:
231:
222:
221:
220:
214:
207:You are free:
194:
193:
175:
169:
168:
166:
163:
159:
158:
153:
149:
148:
143:
139:
138:
133:
129:
128:
118:
109:
107:
104:
102:
97:
96:
75:
65:
64:
45:
41:
40:
39:
34:
29:
24:
19:
13:
10:
9:
6:
4:
3:
2:
706:
692:
689:
684:
681:
677:
674:
668:
662:
659:
658:
656:
655:
654:
648:
644:
641:
639:
636:
634:
628:
620:
615:
609:
607:
604:
602:
599:
596:
595:
591:
588:
585:
582:
579:
577:
576:
574:
568:
539:
519:
503:
469:
449:
433:
413:
397:
376:
369:
361:Eric Brechner
356:
348:
341:
314:
297:
250:CC BY-SA 4.0
239:
235:
232:
229:
226:
225:
223:
218:
215:
212:
209:
208:
206:
205:
201:
198:
181:
164:
157:
156:Eric Brechner
154:
150:
144:
140:
130:
124:
119:
112:
105:
93:
86:
85:
80:
76:
69:
68:
62:
53:
44:
38:
35:
33:
30:
28:
25:
23:
20:
18:
15:
675:
672:
652:
632:
618:EricBrechner
572:
569:File history
375:EricBrechner
233:
227:
216:
210:
122:
92:You can help
82:
50:
22:File history
412:copyrighted
234:share alike
228:attribution
114:Description
629:File usage
610:560 × 232
586:Dimensions
538:media type
328:some value
27:File usage
693:37.79 dpc
685:37.79 dpc
583:Thumbnail
580:Date/Time
553:image/png
468:inception
165:Licensing
123:English:
58:image/png
669:Metadata
272:Captions
217:to remix
211:to share
202:license.
146:Own work
37:Metadata
612:(22 KB)
597:current
592:Comment
313:creator
296:depicts
276:English
106:Summary
54:
152:Author
142:Source
589:User
259:true
256:true
132:Date
17:File
340:URL
371::
358::
343::
94:.
60:)
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.