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A compleat system of astronomy. In two volumes. Containing, the description and use of the sector, the laws of spheric geometry; the projection of the sphere orthographically and stereographically upon the planes of the meridian, ecliptic and horizon; the doctrine of the sphere; and the eclipses of the Sun and Moon for thirty nine years. Together with all the precepts of calculation. Also new tables of the motions of the planets, fix'd stars, and the first satellite of Jupiter's declinations to every degree and minute of the ecliptic, to six degrees of N. and S. latitude; of right and oblique ascensions, and logistical logarithms. To the whole are prefix'd, astronomical definitions, for the benefit of young students. The second edition, with additions. By Charles Leadbettar, teacher of the Mathematics.
Leadbetter, Charles, active 1728.Date: MDCCXLII [1742]- Books
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Leybourn's Dialling improv'd. Or, the whole art perform'd, I. geometrically ... II. arithmetically ... Also, how to describe all necessary furniture for sun-dials ... With reflective dialling ... To which is now added, instrumental dialling ... and likewise mechanick dialling ... with the manner of ordering oyl and colours for painting sun-dials. Concluding with tables ... / By Henry Wilson.
Leybourn, William, 1626-1716.Date: 1728- Books
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Olympia Dōmata; or, an almanack for the year of our Lord God, 1740. ... Being the Bissextile, or Leap-Year. And from the World's Creation, 5744. Wherein is contained the Lunations, Conjunctions, Aspects, and Effects of the Planets; the Increase, Decrease, and Length of the Days and Nights; with the Rising, Southing, and Setting of the Planets and fixed Stars throughout the Year; whereby may be known the exact Hour of the Night at all times, when either the Moon or Stars are seen. Calculated according to Art, and referred to the Horizon of the ancient and renowned Borough-Town of Stamford (formerly a famous University) whose Latitude is 52 deg. 40 min. fitting all the middle Counties of England, and without sensible Error the whole Kingdom. By Tycho Wing, Philomath. Imprimatur F. A.
Wing, Tycho, 1696-1750.Date: [1740]- Books
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The description and use of ... Gunter's quadrant ... To which is added, the use of Nepiar's [sic] bones in multiplication, division, and extraction of roots ... / [William Leybourn].
Leybourn, William, 1626-1716Date: 1731-1732