Practical navigation; or, An introduction to the whole art. : Containing many useful geometrical definitions and problems; the doctrine of plain and spherical triangles; plain Mercator, and great-circle-sailing; sundry useful problems in astronomy; the use of instruments; the azimuth-compass; ring-dyal; variation compass; the fore-staff, quadrant, plough, and nocturnal; the plain scale, Gunter's scale, sinical quadrant; plain chart; Mercator's-chart; both globes; the inclinatory-needle, and virtues of the load-stone; useful tables of the moon's age, of the tides, of the sun's place, declination, and right-ascension; of the stars right-ascension and declination; the latitude and longitude of places; and a table of meridional parts; likewise a new traverse-table, and the use thereof in keeping a reckoning at sea: also a table of 10000 logarithms, and of the log, sines, tangents and secants. (1680)

Seller, John, active 1658-1698 · London : Printed by J. Darby, and are to be sold by the author at the Hermitage in Wapping, by W. Fisher at the Postern-gate near Tower-Hill, by R. Boulter at the Turks-Head in Cornhil, by T. Passenger at the three Bibles on London-Bridg, and R. Smith, at the Bible in Cornhil · leaf 373

An illustration from Practical navigation; or, An introduction to the whole art. : Containing many useful geometrical definitions and problems; the doctrine of plain and spherical triangles; plain Mercator, and great-circle-sailing; sundry useful problems in astronomy; the use of instruments; the azimuth-compass; ring-dyal; variation compass; the fore-staff, quadrant, plough, and nocturnal; the plain scale, Gunter's scale, sinical quadrant; plain chart; Mercator's-chart; both globes; the inclinatory-needle, and virtues of the load-stone; useful tables of the moon's age, of the tides, of the sun's place, declination, and right-ascension; of the stars right-ascension and declination; the latitude and longitude of places; and a table of meridional parts; likewise a new traverse-table, and the use thereof in keeping a reckoning at sea: also a table of 10000 logarithms, and of the log, sines, tangents and secants., 1680, leaf 373 — “of eatieune and Depavtares 339° oe e pnt avs 7 rs “Example. Aine 4 Ship ee Sonth- we by South 37 min. then South by Rea 35 min. Pe oe. South-Eaft by South, half Eaft, 47 min. then Wejt. by North sy | shoe min. then WONW. be ati ten South-W ft, half Welt 27 min. "To find the Difference of Latitude… … Then i Problem 3 15 frid the Difference of Latitude and Departiire ar for thofe: Courfes and Diftances, feverally, which place in th.ir proper- Columns, viz. If the Courfe be North-Eafterly, place the Diffcrence of Latitude.inthe North Column, (under Nor.) the Departure in. the Eaft. Cohimn,…

Navigation · Navigation -- Tables · Logarithms · Imprint 1680

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More pictures from Practical navigation; or, An introduction to the whole art. : Containing many useful geometrical definitions and problems; the doctrine of plain and spherical triangles; plain Mercator, and great-circle-sailing; sundry useful problems in astronomy; the use of instruments; the azimuth-compass; ring-dyal; variation compass; the fore-staff, quadrant, plough, and nocturnal; the plain scale, Gunter's scale, sinical quadrant; plain chart; Mercator's-chart; both globes; the inclinatory-needle, and virtues of the load-stone; useful tables of the moon's age, of the tides, of the sun's place, declination, and right-ascension; of the stars right-ascension and declination; the latitude and longitude of places; and a table of meridional parts; likewise a new traverse-table, and the use thereof in keeping a reckoning at sea: also a table of 10000 logarithms, and of the log, sines, tangents and secants.

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