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 and Sharpless, no. 93, Market Street, and John Richardson, no. 244, Market Street., 1820 - 206 páginas |
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Página 138
... Off - sets and Intersections . OFF - SETS . Off - sets are lines drawn or measured , perpendicularly from a stationary line , to the angular points of the land In taking surveys , bounded on some of their sides on either side . 138 ...
... Off - sets and Intersections . OFF - SETS . Off - sets are lines drawn or measured , perpendicularly from a stationary line , to the angular points of the land In taking surveys , bounded on some of their sides on either side . 138 ...
Página 139
... off - sets . Directions for taking Off - sets . Take as many stations in the irregular boundary as may be most convenient . Then take the bearing from the first station to the second ; and in measuring the dis- tance stop against each ...
... off - sets . Directions for taking Off - sets . Take as many stations in the irregular boundary as may be most convenient . Then take the bearing from the first station to the second ; and in measuring the dis- tance stop against each ...
Página 140
... off - sets respectively . Multiply the sum of each two adjacent off - sets by their intercepted distance on the stationary line ; half the sum of the products will be the area required * . Note . The area of the off - sets must be added ...
... off - sets respectively . Multiply the sum of each two adjacent off - sets by their intercepted distance on the stationary line ; half the sum of the products will be the area required * . Note . The area of the off - sets must be added ...
Página 141
... off - sets . No. Sta . Dist . Off - sets . | Intercep . | Sums of Ch . Ch . Dist . Products . Offsets . 1 0.00 0.30 2 0.95 0.84 0.95 1.14 1.0830 3 2.03 0.86 1.08 1.70 1.8360 4 3.28 0.50 1.25 1.36 1.7000 5 5.20 1.80 1.92 2.30 4.4160 6 ...
... off - sets . No. Sta . Dist . Off - sets . | Intercep . | Sums of Ch . Ch . Dist . Products . Offsets . 1 0.00 0.30 2 0.95 0.84 0.95 1.14 1.0830 3 2.03 0.86 1.08 1.70 1.8360 4 3.28 0.50 1.25 1.36 1.7000 5 5.20 1.80 1.92 2.30 4.4160 6 ...
Página 142
... off - sets . 2nd Stationary Line . 3rd Stat . Line . 1. 0.00 0.55 2. 13.44 0.55 1 . No. | Sta . Dist . Off - sets . | Intercep . Ch . Ch . Dist . Sums of Off - sets . Products . 1 0.00 0.50 2 6.10 3.40 6.10 3.90 23.7900 3 10.15 3.10 ...
... off - sets . 2nd Stationary Line . 3rd Stat . Line . 1. 0.00 0.55 2. 13.44 0.55 1 . No. | Sta . Dist . Off - sets . | Intercep . Ch . Ch . Dist . Sums of Off - sets . Products . 1 0.00 0.50 2 6.10 3.40 6.10 3.90 23.7900 3 10.15 3.10 ...
Términos y frases comunes
ABCD ABFD acres adjacent adjacent angles angle ABC angle opposite angled triangle base bearing and distance breadth Calculation centre Co-secant Secant Co-sine Co-tang column cube root decimal DEMONSTRATION departure corresponding diff difference of latitude Dist divide division line draw equal EXAMPLES feet figures find the angle find the area four-pole chains fourth term given angle given area given bearing given number given ratio given side John Gummere Lat Dep latitude and departure length logarithm M.
M. Sine measured meridian distance natural number off-sets parallel parallelogram perches perpendicular quired quotient radius rectangle remainder Required the area right angle right line right-angled triangle RULE semiperimeter side AB side AC square root station stationary line subtract survey tance Tang tangent tract of land trapezium trapezoid triangle ABC trigonometry