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24 hours altitude for index apparent altitude April 27 celestial concave celestial equator chro chronometer on Greenwich chronometer showed colatitude compass bearing compass course correction in altitude cosec course and distance decl deviation diff difference of latitude east Elements from Nautical find the latitude Greenwich date Greenwich mean noon haversines heavenly body height of eye horizon horizontal parallax hour angle Index cor index correction latitude by account longitude by chronometer mean time nearly moon moon's declination moon's semidiameter Nautical Almanac observed altitude observed meridian altitude p.m. mean Parallel Sailing point of Aries polar distance pole proportional logarithm required the latitude required the longitude required the true required the variation right ascension rule ship mean ship's head sidereal star subtract Sun's declination sun's L. L. sun's lower limb true altitude true bearing true course true distance true zenith distance vers versine
Page 285 - Valuation of Landed Property; of the Soil, of Houses, of Woods, of Minerals, of Manorial Rights, of Royalties, and of Fee Farm Rents.
Page 12 - Fig. 3) loaded on the circular side with lead sufficient to make it swim upright in the water: to this is fastened a line about 150 fathoms long, called the Log-line, which is divided into certain spaces called knots, and is wound on a reel (see Plate VI.
Page 283 - To which are added several Chapters on Agriculture and Landed Property, by Professor DONALDSON, Author of several works on Agriculture.
Page 60 - The hour angle of a heavenly body, is the angle at the pole between the celestial meridian and the circle of declination passing through the place of the body ; thus, zpx is the hour angle of x.
Page 54 - ... whirling motion of the earth about its axis, the parts near the equator, which have the greatest velocity, acquire thereby a greater distance from the centre than the parts near the poles. By actual measurement of a degree of latitude in different parts of the earth, it is found...
Page 290 - LATIN SERIES. 1. A New LATIN DELECTUS, Extracts from Classical Authors, with Vocabularies and Explanatory Notes . Is.
Page 289 - A SERIES OF VOLUMES CONTAINING THE PRINCIPAL GREEK AND LATIN AUTHORS, ACCOMPANIED BY EXPLANATORY NOTES IN ENGLISH, PRINCIPALLY SELECTED FROM THE BEST AND MOST RECENT GERMAN COMMENTATORS, AND...
Page 284 - XI.— COPYING MAPS. Including a description of the Pentagraph. Chap. XII.— -RAILWAY SURVEYING. 1. Exploration and Trial Levels ; Standing Orders — '2. Proceedings subsequent to the Passing of the Act; Tables for Setting out Curves; Tables for Setting out Slopes ; Tables of Relative Gradients ; Specification of Works to be executed in the Construction of a Railway ; Form of Tender. Chap. XIII.— COLONIAL SURVEYING. Chap. XIV.
Page 61 - The apparent solar day is the interval between two successive transits of the sun's centre over the same meridian.
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