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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 and ring-dial. The fore staff, quadrant, and nocturnal; the plian [sic] scale, Gunter's scale, plain-chart, Mercator's-chart, both globes, and virtues of the Loadstone. 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 logarithm sines, tangents, and secants. All carefully corrected with many useful additions. By John Seller, hydrographer to the King.
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SELLER, John (c. 1632--1697)
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 and ring-dial. The fore staff, quadrant, and nocturnal; the plian [sic] scale, Gunter's scale, plain-chart, Mercator's-chart, both globes, and virtues of the Loadstone. 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 logarithm sines, tangents, and secants. All carefully corrected with many useful additions. By John Seller, hydrographer to the King.
London (Place), printed for T. Page, W. and F. Mount,, 1723.
[8], 64, 73--264, [128] p., V fold. pl. : add. etch. t.-p., wdcut illus., tables ; 20.1 cm. (4º)
Seller was an instrument-maker and chart and map seller, and a key figure in establishing a trade in London-printed charts rather than Dutch. This popular textbook was first published in 1669 and continued to be printed until 1739. The additional etched title-page is printed on the verso of the half-title. ESTC n12280.
Copy Notes Inscriptions ink on front free-endpaper: J. Soan[e] / 1767; with calligraphic flourishes: J. Soan[e] / 1767 / London, the 'J' illustrated with a face; John Soan[e] / Ætatis suæ 13¾ / Years, &c, 1767. The final 'e' in all cases added after 1783. Some earlier MS. annotations. Inscriptions in ink on front pastedown: 2/6 second hand with flourishes; in a different hand 5/0 No[vels?]. Three of the diagrams on pl. V are coloured in yellow.
Binding C18th sheep, blind panels, traces of paper spine-label.
Reference Number 511
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 and ring-dial. The fore staff, quadrant, and nocturnal; the plian [sic] scale, Gunter's scale, plain-chart, Mercator's-chart, both globes, and virtues of the Loadstone. 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 logarithm sines, tangents, and secants. All carefully corrected with many useful additions. By John Seller, hydrographer to the King.
London (Place), printed for T. Page, W. and F. Mount,, 1723.
[8], 64, 73--264, [128] p., V fold. pl. : add. etch. t.-p., wdcut illus., tables ; 20.1 cm. (4º)
Seller was an instrument-maker and chart and map seller, and a key figure in establishing a trade in London-printed charts rather than Dutch. This popular textbook was first published in 1669 and continued to be printed until 1739. The additional etched title-page is printed on the verso of the half-title. ESTC n12280.
Copy Notes Inscriptions ink on front free-endpaper: J. Soan[e] / 1767; with calligraphic flourishes: J. Soan[e] / 1767 / London, the 'J' illustrated with a face; John Soan[e] / Ætatis suæ 13¾ / Years, &c, 1767. The final 'e' in all cases added after 1783. Some earlier MS. annotations. Inscriptions in ink on front pastedown: 2/6 second hand with flourishes; in a different hand 5/0 No[vels?]. Three of the diagrams on pl. V are coloured in yellow.
Binding C18th sheep, blind panels, traces of paper spine-label.
Reference Number 511