The Theory and Practice of Surveying: Containing All the Instructions Requisite for the Skilful Practice of this ArtE. Duyckinck, 1811 - 508 σελίδες |
Αναζήτηση στο βιβλίο
Αποτελέσματα 1 - 5 από τα 6.
Σελίδα
... Pole Star ibid 176 263 Difference of Altitude of 7. Method of Dividing Pole Star and Pole 177 Land 271 Sun's Declination 178 8. Maritime Surveying 281 Reduction Table 182 PART I. Page . PART II . Page . try CONTENTS .
... Pole Star ibid 176 263 Difference of Altitude of 7. Method of Dividing Pole Star and Pole 177 Land 271 Sun's Declination 178 8. Maritime Surveying 281 Reduction Table 182 PART I. Page . PART II . Page . try CONTENTS .
Σελίδα
... Pole Star ibid 176 263 Difference of Altitude of 7. Method of Dividing Land 8. Maritime Surveying 281 Pole Star and Pole 177 271 Sun's Declination 178 Reduction Table 182.
... Pole Star ibid 176 263 Difference of Altitude of 7. Method of Dividing Land 8. Maritime Surveying 281 Pole Star and Pole 177 271 Sun's Declination 178 Reduction Table 182.
Σελίδα 301
... pole of the Horizon : The Nadir is the other pole , or point diametrically opposite . " ( A Vertical is a great ... star is between the equinoctial and the north or south pole . ༈ , - The Ecliptic is that great circle , INTRODUCTORY ...
... pole of the Horizon : The Nadir is the other pole , or point diametrically opposite . " ( A Vertical is a great ... star is between the equinoctial and the north or south pole . ༈ , - The Ecliptic is that great circle , INTRODUCTORY ...
Σελίδα 304
... Pole , the Antartic , or South Polar Circle . That semicircle which passes through a star , or any given point of the heavens , and the Poles of the Ecliptic , is called a Circle of Latitude . The Reduced Place of a Star is that point ...
... Pole , the Antartic , or South Polar Circle . That semicircle which passes through a star , or any given point of the heavens , and the Poles of the Ecliptic , is called a Circle of Latitude . The Reduced Place of a Star is that point ...
Σελίδα 176
... Pole Star . This table is adapted to leap year , particularly 1808. In order to make it serve for other years , the time of transit must be taken for the day following that given in the ... Pole Star ibid 176 Transit of Pole Star ibid 176.
... Pole Star . This table is adapted to leap year , particularly 1808. In order to make it serve for other years , the time of transit must be taken for the day following that given in the ... Pole Star ibid 176 Transit of Pole Star ibid 176.
Άλλες εκδόσεις - Προβολή όλων
Συχνά εμφανιζόμενοι όροι και φράσεις
acres altitude Answer arch azimuth base bearing blank line centre chains and links chord circle circumferentor Co-sec Co-tang column compasses contained decimal difference distance line divided divisions draw east Ecliptic edge feet field-book figures fore four-pole chains geom given number half the sum Horizon glass hypothenuse inches instrument Lat Dep Lat latitude length logarithm measure meridian distance multiplied natural co-sine natural sine needle Nonius number of degrees object observed off-sets opposite parallel parallelogram pegs perches perpendicular plane pole pole star Portmarnock PROB protractor Quadrant quotient radius right angles right line scale of equal SCHOLIUM screw Secant sect Sextant side sights square station stationary distance subtract Sun's survey taken Tang tangent theo theodolite trapezium triangle ABC trigonometry two-pole chains vane versed sine vulgar fraction whence
Δημοφιλή αποσπάσματα
Σελίδα 38 - The angle in a semicircle is a right angle ; the angle in a segment greater than a semicircle is less than a right angle ; and the angle in a segment less than a semicircle is greater than a right angle.
Σελίδα 25 - The circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; and each degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds ; and these into thirds, &c.
Σελίδα 197 - RULE. From half the sum of the three sides subtract each side severally.
Σελίδα 106 - C' (89) (90) (91) (92) (93) 112. In any plane triangle, the sum of any two sides is to their difference as the tangent of half the sum of the opposite angles is to the tangent of half their difference.
Σελίδα 27 - The VERSED SINE of an arc is that part of the diameter which is between the sine and the arc. Thus BA is the versed sine of the arc AG.