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 páginas |
Dentro del libro
Resultados 1-5 de 15
Página 35
... Links , each containing 7 Inches and 92 Hun- dredths . Consequently , 1 Square Chain contains 16 Square Rods , and 10 Square Chains make 1 Acre . In small Fields , or where the Land is uneven , as is the case with a great part of the ...
... Links , each containing 7 Inches and 92 Hun- dredths . Consequently , 1 Square Chain contains 16 Square Rods , and 10 Square Chains make 1 Acre . In small Fields , or where the Land is uneven , as is the case with a great part of the ...
Página 36
... Links if any : Thus , 16 Two Rod Chains and 37 Links make 8 Four Rod Chains and 37 Links . But if the number of Chains be odd , take half the greatest even number for Chains , and for the remain- ing number add 50 to the Links : Thus ...
... Links if any : Thus , 16 Two Rod Chains and 37 Links make 8 Four Rod Chains and 37 Links . But if the number of Chains be odd , take half the greatest even number for Chains , and for the remain- ing number add 50 to the Links : Thus ...
Página 37
... Links to Acres . RULE . Divide by 100000 ; or , which is the same thing , cut off the 5 Right hand figures : Thus , 3845120 Square Links make 38 Acres and 45120 Decimals . Note . When the Area of a Field by which is meant its Super ...
... Links to Acres . RULE . Divide by 100000 ; or , which is the same thing , cut off the 5 Right hand figures : Thus , 3845120 Square Links make 38 Acres and 45120 Decimals . Note . When the Area of a Field by which is meant its Super ...
Página 42
... Links , they may be rejected ; remembering to cut off a proper num- ber of figures according to Decimal Rules . Observe , That in measuring with a Chain , slant or inclined Surfaces , as the Sides of Hills , should be mea . sured ...
... Links , they may be rejected ; remembering to cut off a proper num- ber of figures according to Decimal Rules . Observe , That in measuring with a Chain , slant or inclined Surfaces , as the Sides of Hills , should be mea . sured ...
Página 57
... Links and make the Offset H 2 , 140 Links ; measure from A to I 826 Links and make the Offset I 3 , 36 Links : at B make the Offset B 4 , 36 Links . Proceed in the same manner round the Field , and connect the ends of the Offsets by ...
... Links and make the Offset H 2 , 140 Links ; measure from A to I 826 Links and make the Offset I 3 , 36 Links : at B make the Offset B 4 , 36 Links . Proceed in the same manner round the Field , and connect the ends of the Offsets by ...
Otras ediciones - Ver todas
A System of Geometry and Trigonometry: Together with a Treatise on Surveying ... Able Flint Sin vista previa disponible - 2017 |
A System of Geometry and Trigonometry: Together with a Treatise on Surveying ... Able Flint Sin vista previa disponible - 2017 |
Pasajes populares
Página 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.
Página 23 - The square of the hypothenuse is equal to the sum of the squares of the other two sides ; as, 5033 402+302.
Página 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.
Página 25 - TO THEIR DIFFERENCE ; So IS THE TANGENT OF HALF THE SUM OF THE OPPOSITE ANGLES', To THE TANGENT OF HALF THEIR DIFFERENCE.
Página 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...
Página 8 - The radius of a circle is a line drawn from the centre to the circumference, as A, B.
Página 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.
Página 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.