The previous page is sending you to https://www.alamy.com/nautical-charts-o-o-z-p-u-q-i-o-cco-h-z-uj-o-q-gou-o-gt-0-long-ly-eaat-from-190-fcreen!-fig-25-north-polar-chart-on-arbitrary-projection-77-arbitrary-projection-79-quality-that-every-straight-line-on-it-represents-a-greatcircle-of-the-earth-to-obtain-the-great-circle-orshortest-course-between-two-points-it-is-therefore-onlynecessary-to-draw-a-straight-line-between-the-pointson-a-gnomonic-chart-because-of-the-great-distortionnear-the-edges-this-projection-is-not-otherwise-adaptedto-navigational-use-and-it-is-employed-only-to-markout-the-general-course-and-sufficient-p-image340222526.html.

 If you do not want to visit that page, you can return to the previous page.