FLAMSTEED, John.
Observationes defectus lunaris Grenovici habitæ in observatorio regio februarii 11/21 1682. p.m.
[London, 1683]. From Philosophical Transactions, vol. 13, pp. 89-92.
With:
(2) FLAMSTEED, John. An abstract of a letter from Mr. J. Flamsteed, ... giving an account of the eclipses of [Jupiter]s satellits, anno 1686; and containing a table of the parallaxes of [Jupiter]s orb, and an ephemeris of [Jupiter]s geocentric places for the same year.
[London, 1685]. From Philosophical Transactions, vol. 15, pp. 1215-1230.
(3) FLAMSTEED, John. An abstract of a letter from Mr J. Flamsteed. ... giving the description & uses of an instrument for finding the distances of [Jupiter]s satellits from his Axis, with the help of the table of parallaxes and catalogue of eclipses; printed in the preceding Transactions.
[London, 1685]. From Philosophical Transactions, vol. 15, pp. 1262-1265. With an engraved astronomical instrument for calculating the positions of Jupiter's moons. 3 parts. 4to. Disbound. 89-92; 1215-1230; 1262-1265 pp.
€ 1,850
Three astronomical articles (2 in the form of letters) by England's first Royal Astronomer, John Flamsteed (1646-1719) at the Greenwich Observatory from its establishment in 1675, published in the Philosophical Transactions of the British Royal Society in the years 1683 and 1685. The first article gives observations of a 1682 lunar eclipse by Flamsteed himself, Edmund Halley and a certain Haynes. The second gives Flamsteed's calculations of the eclipses of Jupiter's four moons for the coming year 1686, intended in part as an aid to the determination of longitude. The third gives an engraved dial with four scales around its perimeter, with Flamsteed's description of its use to calculate the positions of Jupiter's moons..
Flamsteed's magnum opus, his great star catalogue and charts, appeared posthumously in 1725 and 1729, so his most important publications during his own lifetime were a single book in 1680 and a dozen short astronomical articles in the years 1672 to 1686, three of them present here.
The articles and plate have been disbound, but they are otherwise in very good condition, with only some minor spots in the text and a couple tears (one repaired). Three of Flamsteed's rare non-posthumous astronomical publications, with an engraved plate of his calculating dial. for Flamsteed's life: DSB V, pp. 22-26.
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