A System of Geometry and Trigonometry: Together with a Treatise on Surveying: Teaching Various Ways of Taking the Survey of a Field; Also to Protract the Same and Fine the Area. Likewise, Rectangular Surveying; Or, an Accurate Method of Calculating the Area of Any Field Arithmetically, Without the Necessity of Plotting It. To the Whole are Added Several Mathematical Tables ... with a Particular Explanation ... and the Manner of Using Them ...O. D. Cooke, 1813 - 168 σελίδες |
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Αποτελέσματα 1 - 5 από τα 16.
Σελίδα 5
... Decimal Fractions and the Square Root ; and he must also know the various characters or marks used in Arithmetic . A Surveyor will doubtless find many questions arise in the course of his practice , for the solution of which no ...
... Decimal Fractions and the Square Root ; and he must also know the various characters or marks used in Arithmetic . A Surveyor will doubtless find many questions arise in the course of his practice , for the solution of which no ...
Σελίδα 23
... of 54 ° 30 ′ 0.81412 Hyp . 25 407060 116140 14.51750 Leg BC 14.52 162824 20.35300 Leg AB 20.35 Note . The third Decimal figure in the first Product * See the Introduction to the Table of Natural Sines , TRIGONOMETRY . 23.
... of 54 ° 30 ′ 0.81412 Hyp . 25 407060 116140 14.51750 Leg BC 14.52 162824 20.35300 Leg AB 20.35 Note . The third Decimal figure in the first Product * See the Introduction to the Table of Natural Sines , TRIGONOMETRY . 23.
Σελίδα 24
... Decimal figure in the first Product being 7 , the preceding figure may be called one more than it is , viz . 2. And , whenever in any Product , & c . there are more places of Decimals than you wish to work with , if the one at the Right ...
... Decimal figure in the first Product being 7 , the preceding figure may be called one more than it is , viz . 2. And , whenever in any Product , & c . there are more places of Decimals than you wish to work with , if the one at the Right ...
Σελίδα 36
... Decimal Parts . RULE . Multiply the Chains by 2 and the Links by 4 , which will give Hundredths of a Rod : Thus , 17 ... Decimals to Chains and Links : Thus , 105.12 Rods make 26 Chains and 28 Links . PROBLEM IV . To reduce Square Rods ...
... Decimal Parts . RULE . Multiply the Chains by 2 and the Links by 4 , which will give Hundredths of a Rod : Thus , 17 ... Decimals to Chains and Links : Thus , 105.12 Rods make 26 Chains and 28 Links . PROBLEM IV . To reduce Square Rods ...
Σελίδα 37
... Decimals . Note . When the Area of a Field by which is meant its Super- ficial Contents , is expressed in Square Chains and Links , the whole may be considered as Square Links , and the number of Acres , contained in the Field , found ...
... Decimals . Note . When the Area of a Field by which is meant its Super- ficial Contents , is expressed in Square Chains and Links , the whole may be considered as Square Links , and the number of Acres , contained in the Field , found ...
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A System of Geometry and Trigonometry: Together with a Treatise on Surveying ... Able Flint Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2017 |
A System of Geometry and Trigonometry: Together with a Treatise on Surveying ... Able Flint Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2017 |
Δημοφιλή αποσπάσματα
Σελίδα 26 - As the base or sum of the segments Is to the sum of the other two sides, So is the difference of those sides To the difference of the segments of the base.
Σελίδα 23 - The square of the hypothenuse is equal to the sum of the squares of the other two sides ; as, 5033 402+302.
Σελίδα 8 - 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 25 - TO THEIR DIFFERENCE ; So IS THE TANGENT OF HALF THE SUM OF THE OPPOSITE ANGLES', To THE TANGENT OF HALF THEIR DIFFERENCE.
Σελίδα 25 - The solution of this CASE depends on the following PROPOSITION. In every Plane Triangle, As the Sum of any two Sides ; Is to their Difference ; So is the Tangent of half the Sum of the two opposite Angles ; To the Tangent of half the Difference between them. Add this half difference to half the Sum of the Angles and you will have the greater Angle ; and...
Σελίδα 8 - The radius of a circle is a line drawn from the centre to the circumference, as A, B.
Σελίδα 40 - Field work and protraction are truly taken and performed ; if not, an error must have been committed in one of them : In such cases make a second protraction ; if this agrees with the former, it is to be presumed the fault is in the Field work ; a re-survey must then be taken.
Σελίδα 40 - Let his attention first be directed to the map, and inform him that the top is north, the bottom south, the right hand east, and the left hand west.