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 56

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 56 — OE sopbericat riangles, The Operation, Asf& BC 17° 43/ et ee on ae een nt ‘Log. 9.97850 To Radius Se — oper SE 0,0Q000 —Sois fc. AC 49° 48" ie rea RTT ee: To ft. AB required, 47 “ar a aaa 9.83097 fy find the other oppofite Angle 3 if it be known,whether the An-- gle aes be greates or lefs than a… … The Operation. | : Le et fo 5] Co, Ar. Of D Ee "38° 28/ wor ne aye 0.20617 es {{DAE37 03 ee ecient REDS 77996 ~ SoisLAE 69 47 or 9.97238 Toft. ADE required, 114" 39° ee

Navigation · Navigation -- Tables · Logarithms · Imprint 1680

Internet Archive · John Carter Brown Library · Public domain (published before 1931). Free to use for anything.

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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