Fl.9.04(02)
The longitude discovered by the eclipses, occultations and conjunctions of Jupiter's planets. With descriptions of those refracting and reflecting telescopes; and of those sectors, and that quadrant, which are the instruments necessary for this discovery, both at land and sea. To which is added, an ephemeris for the latter half of the year of our Lord 1738. Containing the configurations of Jupiter's planets at six a clock every evening, while Jupiter is to be any where seen. With those eclipses, occultations, and conjunctions that are useful for the discovery of the longitude, both at land and sea. Engraven on a copper plate. Humbly recommended to the honourable the commissioners appointed by act of parliament for the discovery of the longitude at sea. By Will. Whiston, M.A. sometime professor of the mathematicks in the University of Cambridge.
London, : printed for John Whiston, at Boyle's Head, Fleet-Street., M DCC XXXVIII. [1738]
[8], 111, [1] p., [2] leaves of plates (1 folded) : ill. ; 19 cm. (8vo)
With a final page of advertisements.
Errata: P4r.
Signatures: [A]⁴ B-P⁴.
Reissued in 1741 with an added preface.
Printed by William Bowyer; his records show 400 copies printed.
Signatures from Maslen & Lancaster.
ESTC, T41192
Booklabel of Nicholas Mann, recording donation to Eton College in 1754.
Armorial bookplate of Eton College.
18th century; inboard binding; sewn; paper boards; tight spine with five raised bands; quarter cover of tanned calf with marbled paper sides; endbands; endleaves; cut red sprinkled edges.
ECL copy imperfect: plates wanting; portion of K⁴ torn off with minor loss of text.
Bound in a volume of pamphlets.
Ms. contents list on front endpaper.
Astronomical instruments Early works to 1800.
Navigation Early works to 1800.
Longitude Early works to 1800.
Jupiter (Planet) Orbit Early works to 1800.
Jupiter (Planet) Ephemerides Early works to 1800.
Jupiter (Planet) Observations Early works to 1800.
Whiston, John, 1711 - 1780 bookseller.
Mann, Nicholas, ? - -1753 former owner.
England London.
B42124