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THEORY AND PRACTICE
All the Instructions requisite for the skilful practice
of this art.
ILLUSTRATED BY COPPER-PLATES.
THE WHOLE CORRECTED, NEWLY ARRANGED, AND
WITH USEFUL SELECTIONS,
AND A NEW SET OF ACCURATE
BY D. P. ADAMS,
TEACHER OF THE MATHEMATICS.
PUBLISHED BY EVERT DUYCKINCK.
xo. 110 PEARL-STREET.
George Long, printer.
District of New York, ss.
BE IT REMEMBERED, that on the twenty-eighth day of March, in the thirty-fifth year of the Independence of the United States of America, Evert Tuyckinck, of the said district, hath deposited in this office the title of a book, the right whereof he claims as proprietor, in the words following, to wit :
“ The Theory and Practice of Surveying ; containing all the Instructions requisite for the skilful practice of this Art. By Robert Gibson. Illustrated by Copper-Plates. The whole corrected, newly arranged, and greatly enlarged, with useful Selections, and a new set of accurate Mathematical Tables. By D. P. Adams, Teacher of the Mathematics."
In conformity to the act of the Congress of the United States, en. titled “ An act for the encouragement of learning, by securing the copies of maps, charts, and books to the authors and propietors of such copies, during the times therein mentioned.” And also to an act, entitled “ An act, supplementary to an act, entitled an act for the encouragement of learning, by securing the copies of maps, charts, and books to the authors and proprietors of such copies, during the times therein mentioned, and extending the benefits thereof to the arts of designing, engraving, and etching historical and other prints."
CHARLES CLINTON, Clerk of the District of New-York
Sect. 1. Decimal Fractions 2 Sect. 9. Levelling
284 2. Involution and Evolu.
298 5. Trigonometry
2. Description of Instru-
305 PART II.
3. To find the Latitude
by the Meridian AlSect. 1. The Chain
titude of the Sun 316 The Circumferentor 152 4. Variation of the Com. The Theodolite 159
LIST OF TABLES.
169 Logarithms of Numbers 1
171 Sines, Tangents and Secante 20 2. Mensuration of Natural Sines
71 heighits 179 Points of the Compass
82 Of Distances 194 Traverse Table
83 3. Mensuration of Areas 200 General Method 232 Mean Refraction
174 Pennsylvania Method 246 Sun's Parallax 4. Of off-sets
250 Dip of the Horizon
Dip for Dif. Dist of land by Intersections 257 Semi-diameter of the Sun
ibid 6. Changing the scale Transit of Pole Star
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
3. Method of surveying