A Treatise of Practical Surveying: Which is Demonstrated from Its First Principles ... |
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Σελίδα 183
resting to the left are acres , because 10 square four - pote chains make an acre ,
and the remaining figures are decimal parts of an acre . Multiply the five figures to
the right by 4 , cutting 5 figures from the product , and if any figure be to the left ...
resting to the left are acres , because 10 square four - pote chains make an acre ,
and the remaining figures are decimal parts of an acre . Multiply the five figures to
the right by 4 , cutting 5 figures from the product , and if any figure be to the left ...
Σελίδα 203
It is customary to deduct 6 acres out of 106 for roads ; the land before the
deduction is made may be termed the gross ; and that remaining after such
deduction , the neat . RULE . The gross div . ) The neat mul . by 1.06 , $ quotes
the neat . prob ...
It is customary to deduct 6 acres out of 106 for roads ; the land before the
deduction is made may be termed the gross ; and that remaining after such
deduction , the neat . RULE . The gross div . ) The neat mul . by 1.06 , $ quotes
the neat . prob ...
Σελίδα 231
Divide this remainder by 2 , and the quotient thence arising by 160 ( the number
of perches in an acre ) then will this last quotient exhibit the number of acres and
perches contained in the whole survey ; which , in this example , may be called ...
Divide this remainder by 2 , and the quotient thence arising by 160 ( the number
of perches in an acre ) then will this last quotient exhibit the number of acres and
perches contained in the whole survey ; which , in this example , may be called ...
Σελίδα 295
Required the dimensions of an elliptical acre with the greatest and least
diameters in the proportion of 3 to 2 ? ... In 110 acres of statute measure , in
which the pole is 16 feet , how many Cheshire acres , where the customary pole
is 6 yards ...
Required the dimensions of an elliptical acre with the greatest and least
diameters in the proportion of 3 to 2 ? ... In 110 acres of statute measure , in
which the pole is 16 feet , how many Cheshire acres , where the customary pole
is 6 yards ...
Σελίδα 296
Required the dimensions of an oblong garden containing three acres , and
bounded by 104 perches of pale fence ? Answ . 40 perches by 12 . 12. How
many acres are contained in a square meadow , the diagonal of which is 20
perches more ...
Required the dimensions of an oblong garden containing three acres , and
bounded by 104 perches of pale fence ? Answ . 40 perches by 12 . 12. How
many acres are contained in a square meadow , the diagonal of which is 20
perches more ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
acres angle Answer base bearing called centre chains chord circle Co-sec Co-sine Co-tang column contained decimal difference direct distance divided division draw drawn east edge equal EXAMPLE feet field field-book figures four four-pole fourth give given greater ground half height Hence inches laid land Lat Dep length less logarithm manner measure method multiplied needle object observe opposite parallel perches perpendicular plain plane Plate pole prob PROBLEM proportion quantity quotient radius reduce remainder right angles right line root scale Secant sect side sights sine square station suppose survey taken Tang tangent theo THEOREM third triangle triangle ABC true turn variation whence whole
Δημοφιλή αποσπάσματα
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 207 - ... that triangles on the same base and between the same parallels are equal...
Σελίδα 40 - 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 43 - Triangles upon equal bases, and between the same parallels, are equal to one another.
Σελίδα 103 - TO THEIR DIFFERENCE ; So IS THE TANGENT OF HALF THE SUM OF THE OPPOSITE ANGLES', To THE TANGENT OF HALF THEIR DIFFERENCE.
Σελίδα 31 - Figures which consist of more than four sides are called polygons ; if the sides are all equal to each other, they are called regular polygons. They sometimes are named from the number of. their sides, as a five-sided figure is called a pentagon, one of six sides a hexagon, &"c.
Σελίδα 31 - ... they are called regular polygons. They sometimes are named from the number of their sides, as a five-sided figure is called a pentagon, one of. six sides a hexagon, &c. but if their sides are not equal to each other, then they are called irregular polygons, as an irregular pentagon, hexagon, &c.
Σελίδα 45 - The hypothenuse of a right-angled triangle may be found by having the other two sides ; thus, the square root of the sum of the squares of the base and perpendicular, will be the hypothenuse. Cor. 2. Having the hypothenuse and one side given to find the other; the square root of the difference of the squares of the hypothenuse and given side will be the required side.
Σελίδα 265 - As the length of the whole line, Is to 57.3 Degrees,* So is the said distance, To the difference of Variation required. EXAMPLE. Suppose it be required to run a line which some years ago bore N. 45°.
Σελίδα 32 - Things that are equal to one and the same thing are equal to one another." " If equals be added to equals, the wholes are equal." " If equals be taken from equals, the remainders are equal.
Πληροφορίες βιβλιογραφίας
| Τίτλος | A Treatise of Practical Surveying: Which is Demonstrated from Its First Principles ... |
| Συγγραφέας | Robert Gibson |
| Έκδοση | 3 |
| Εκδότης | Lewis Nichols, 1806 |
| Πρωτότυπο από | το Πανεπιστήμιο του Μίτσιγκαν |
| Ψηφιοποιήθηκε στις | 26 Μάιος 2007 |
| Μέγεθος | 452 σελίδες |
| Εξαγωγή αναφοράς | BiBTeX EndNote RefMan |