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 páginas |
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Página 4
... notes at the bottom of the page . Each rule is exemplified by one wrought example ; and the most of them by several unwrought examples , with the answers annexed . In the laying out and dividing of land , which forms the most difficult ...
... notes at the bottom of the page . Each rule is exemplified by one wrought example ; and the most of them by several unwrought examples , with the answers annexed . In the laying out and dividing of land , which forms the most difficult ...
Página 16
... negative ; but when they are of different kinds , take the difference be- tween the sums of the affirmative and negative ones , and Note . When the index is affirmative , it is prefix the sign of the greater . 16 LOGARITHMS .
... negative ; but when they are of different kinds , take the difference be- tween the sums of the affirmative and negative ones , and Note . When the index is affirmative , it is prefix the sign of the greater . 16 LOGARITHMS .
Página 17
... Note . When the index is affirmative , it is not ne- cessary to place any sign before it ; but when it is nega- tive , the sign must not be omitted . EXAMPLES . 1. Required the continued product of 349.17 , 25.43 , .93521 and .00576 ...
... Note . When the index is affirmative , it is not ne- cessary to place any sign before it ; but when it is nega- tive , the sign must not be omitted . EXAMPLES . 1. Required the continued product of 349.17 , 25.43 , .93521 and .00576 ...
Página 18
... Note . - When the divisor exceeds the dividend , the question must be wrought by the rule given in the next case . EXAMPLES . 1. Required the quotient of 3450 divided by 23 . Logarithm of 3450 is 3.53782 do 23 is 1.36173 Quotient 150 ...
... Note . - When the divisor exceeds the dividend , the question must be wrought by the rule given in the next case . EXAMPLES . 1. Required the quotient of 3450 divided by 23 . Logarithm of 3450 is 3.53782 do 23 is 1.36173 Quotient 150 ...
Página 20
... of the given number by the index of the power , viz . by 2 for the square , by 3 for the cube , & c . and the product will be the logarithm of Note . When the index of the logarithm is negative the power . 20 LOGARITHMS .
... of the given number by the index of the power , viz . by 2 for the square , by 3 for the cube , & c . and the product will be the logarithm of Note . When the index of the logarithm is negative the power . 20 LOGARITHMS .
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A Treatise on Surveying: Containing the Theory and Practice: To Which Is ... John Gummere Sin vista previa disponible - 2016 |
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Página 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.
Página 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.
Página 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.
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Página 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.
Página 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.
Página 26 - Parallel straight lines are such as are in the same plane, and which being produced ever so far both ways, do not meet.
Página 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.
Página 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.