A Treatise on Surveying, Containing the Theory and Practice: To which is Prefixed a Perspicuous System of Plane Trigonometry. The Whole Clearly Demonstrated and Illustrated by a Large Number of Appropriate Examples. Particularly Adapted to the Use of SchoolsKimber & Richardson, 1814 - 346 σελίδες |
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Αποτελέσματα 1 - 5 από τα 32.
Σελίδα 26
... Parallel straight lines are such as are in the same plane , and which , being produced ever so far both ways , do not meet , as AB , CD , Fig . 5 . 13. A figure is a space bounded by one or more lines . 14. A plane triangle is a figure ...
... Parallel straight lines are such as are in the same plane , and which , being produced ever so far both ways , do not meet , as AB , CD , Fig . 5 . 13. A figure is a space bounded by one or more lines . 14. A plane triangle is a figure ...
Σελίδα 30
... parallel to a given right line CD , Fig . 22 . From the point A to any point F , in the line CD , draw the right line AF ; with F as a centre and distance FA , describe the arc A E , and with the same distance and centre A describe the ...
... parallel to a given right line CD , Fig . 22 . From the point A to any point F , in the line CD , draw the right line AF ; with F as a centre and distance FA , describe the arc A E , and with the same distance and centre A describe the ...
Σελίδα 32
... parallel to AP , in each of which , take as many equal parts AM , MN , & c . Bo , on , & c . as the line AB is to be divided into ; then draw Mm , Nn , & c . intersecting AB in E , F , & c . and it is done . PROBLEM XII . To make a ...
... parallel to AP , in each of which , take as many equal parts AM , MN , & c . Bo , on , & c . as the line AB is to be divided into ; then draw Mm , Nn , & c . intersecting AB in E , F , & c . and it is done . PROBLEM XII . To make a ...
Σελίδα 36
... parallel to CF and join AD . Divide the arc AD into nine equal parts as A , 10 ; 10 , 20 ; & c . and with one foot of the dividers in A , trans- fer the distances A , 10 ; A , 20 ; & c . to the right line AD ; then will AD be a line of ...
... parallel to CF and join AD . Divide the arc AD into nine equal parts as A , 10 ; 10 , 20 ; & c . and with one foot of the dividers in A , trans- fer the distances A , 10 ; A , 20 ; & c . to the right line AD ; then will AD be a line of ...
Σελίδα 52
... parallel to BC , meeting EC in G. The angle EAC ( 32. 1. ) is equal to the sum of the unknown angles ABC , ACB , and the angle EFC at the circumference is equal to the half of EAC at the centre ( 20. 3. ) ; therefore EFC is half the sum ...
... parallel to BC , meeting EC in G. The angle EAC ( 32. 1. ) is equal to the sum of the unknown angles ABC , ACB , and the angle EFC at the circumference is equal to the half of EAC at the centre ( 20. 3. ) ; therefore EFC is half the sum ...
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A Treatise on Surveying: Containing the Theory and Practice: To Which Is ... John Gummere Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2016 |
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Σελίδα 2 - 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 also to the 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 time therein mentioned," and extending the benefits thereof to the arts of designing, engraving, and...
Σελίδα 97 - To find the Area of a Triangle when the Three Sides are given. Rule. — From half the sum of the three sides subtract each side separately.
Σελίδα 43 - The angle at the centre of a circle is double of the angle at the circumference upon the same base, that is, upon the same part of the circumference.
Σελίδα 34 - The circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; each degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds.
Σελίδα 2 - Co. of the said district, have deposited in this office the title of a book, the right whereof they claim as proprietors, in the words following, to wit : " Tadeuskund, the Last King of the Lenape. An Historical Tale." In conformity to the Act of the Congress of the United States...
Σελίδα 85 - A maypole, whose top was broken off by a blast of wind, struck the ground at 15 feet distance from the foot of the pole: what was the height of the whole maypole, supposing the broken piece to measure 39 feet in length ? Ans.
Σελίδα 25 - A plane rectilineal angle is the inclination of two straight lines to one another, which meet together, but are not in the same straight line.
Σελίδα 26 - Parallel straight lines are such as are in the same plane, and which being produced ever so far both ways, do not meet.
Σελίδα 91 - PROBLEM I. To find the area of a parallelogram; whether it be a square, a rectangle, a rhombus, or a rhomboides. RULE.* Multiply the length by the perpendicular height, and the product will be the area.
Σελίδα 96 - If one side and the angles are given ; then As the product of radius and the sine of the angle opposite the given side, To the product of the sines of the two other angles ; So is the square of the given side, To twice the area of the triangle. If PC (Fig.