Mercatorn.

1578 G. Best True Disc. Passage to Cathaya i. 9 Terra Septentrionalis..lyeth rounde about the Pole Artike, & is included by a Paralell, passing aboute .70. degrees in North latitude, as it is also more at large described in Mercators and Ortelius vniuersall Mappes.

1581 W. Borough Discours Variation Cumpas xi. sig. G.i About 9.d. from North to East accordyng to Mercators position, of the Magneticall Pole.

a1629 J. Speed Prospect most Famous Parts of World (1646) 45 It [sc. Oxford] is removed from the Equator in the degree 52. and one minute, and from the West by Mercators measure, 19. degrees, and 20. minutes.

1698 R. Ainsworth Most Nat. Way of Inst. Advert. An Idea of Geography and Navigation... The Construction and Use of all manner of Maps and Charts. To keep a Iournal, and to work a Traverse both by Plain and Mercators Sailing.

1718 J. Seller Pract. Navig. vi. 60 (heading) The Doctrine of Plain Right-angled Triangles applied in Problems of Mercators Sailing.

1754 G. Adams Descr. & Use Universal Trigonometrical Octant 53 In Middle Latitude, and in Mercator Sailing, I would advise the Reader always to write down..not only what is given; but also every other Thing which results from the aforesaid.

1846 Philos. Trans. (Royal Soc.) 136 257 The observations are first entered in a Mercator's map on a sufficiently large scale.

1882 Proc. Royal Geogr. Soc. 4 306 By Mercator Sailing, find compass course and distance between two places, variation and deviation given.

1901 Geogr. Jrnl. 18 536 Dr. Theodor Arldt has drawn on a Mercator's map the loxodromic lines between the outstanding..points of the South American coast.

1928 Geogr. Jrnl. 71 479 Mercator's positions were inter se about as good as the 1513 Ptolemy.

1996 Coll. Math. Jrnl. 27 384 Using the Mercator map, the navigator could now draw a line from A to B, then measure the angle this line makes with a line of longitude.

1615 T. Roe Jrnl. 5 June in Embassy Sir T. Roe to India (1899) I. 6 The longitude of the Cape by Mercator's proiection is rectefyed in 28°30′ from the Meridian of the Lizard.

1617 T. Bonner Jrnl. (1971) 184 The plats that are made after Mercators projektion.

1669 S. Sturmy Mariners Mag. ii. viii. 73 Charts, according to Mercator's or Wright's Projection.

1791 N.-Y. Jrnl. & Patriotic Reg. 20 July 3/4 (advt.) This map and chart is neither a plain, Mercator's, nor a globular projection.

1878 T. H. Huxley Physiography (ed. 2) xix. 336 The polar regions are not brought within Mercator's projection, for the poles are supposed, by the cylindrical development to be indefinitely distant.

1883 Encycl. Brit. XV. 520/2 By 1601 Mercator's projection was in use for all sea charts.

1908 G. R. Putnam Naut. Charts 9 The Arcano del Mare, 1646, was the first marine atlas in which all the maps were drawn on the mercator projection.

1938 L. M. Milne-Thomson Theoret. Hydrodynamics v. 138 An illustration of conformal mapping is afforded by an ordinary map on Mercator's projection.

1984 A. C. Duxbury & A. Duxbury Introd. World's Oceans i. 11 The traditional and familiar world map..is the Mercator projection, an adjusted form of the cylindrical type.

1645 R. Norwood Norwood's Epitome 13 Some men will say, that in divers reckonings by Mercators Chart, they have found as little certainty as by the Plaine Chart.

1671 J. Brown Horologiographia Appendix. iv. 282 For great Distances, it is not so certain as the Sayling by Mercators Chart; therefore to that purpose the Meridian-line was invented.

1717 J. Green Constr. Maps & Globes i. xvii. 94 (heading) To project Wright's (commonly call'd Mercator's) Chart.

1758 Philos. Trans. 1757 (Royal Soc.) 50 331 We have been enabled to construct variation-curves upon Dr. Halley's mercator-chart.

1828 Moore's Pract. Navigator (ed. 20) 97 Mr. Gerrard Mercator, a Fleming, in 1556 published a similar chart..whence called Mercator's Chart.

a1877 E. H. Knight Pract. Dict. Mech. II. 1419/2 Mercator-chart, a mode of projection invented by Gerald Mercator, in which the meridians and parallels are straight and parallel lines.

1940 M. Tornich Radius Action Aircraft App. B. 118 The Univeral Plotting Chart..is a partially constructed blank Mercator chart for small areas.

1960 C. Eckart Hydrodynamics of Oceans & Atmospheres 280 The vertical co-ordinate, μ, on a Mercator chart of the Sphere is defined by dϕ = cosϕ dμ.

1997 Independent (Nexis) 5 Apr. 18 He set about designing and making a machine that would draw great circle bearings plotted on Mercator charts.

1694 Narbrough's Acct. Several Late Voy. 85 The best Navigation is by Mercator, sailing according to the Circle of the Globe.

1790 B. Burges Indostan Lett. 101 I have..maps and charts..to methodise; some gnominic [sic], some stereographic, some arthographic [sic], and some mercators.

1809 Ld. Byron Let. 25 June (1973) I. 208 Capt. Kidd our gallant..commander understands plain sailing and Mercator.

1879 Encycl. Brit. X. 208/2 The meridian Mercator drawn as described in the last paragraph..may be made to serve the important purpose of enabling one to trace on the ordinary Mercator's chart the track of a great circle joining any two places.

1940 M. Tornich Radius Action Aircraft 111 The principal systems of projection..may be summarized as follows: 1. The Mercator..2 percent to 4 percent.

1953 A. H. Robinson Elem. Cartogr. iii. 43/1 The poles cannot be represented for they are ‘at’ infinity on the conventional Mercator.

1990 Times Educ. Suppl. 9 Nov. r7/1 The atlas..is based on the Gall projection, a compromise between the standard Mercator and the recent, rather distorted, Peters' projection.