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 81
... parts or links ; consequently the length of each link is 7.92 inches : also 1 square chain is equal to 16 square perches , and 10 square chains make an acre . When the land is uneven or hilly , a four - pole chain is too long to be ...
... parts or links ; consequently the length of each link is 7.92 inches : also 1 square chain is equal to 16 square perches , and 10 square chains make an acre . When the land is uneven or hilly , a four - pole chain is too long to be ...
Página 82
... To reduce four - pole chains and links , to perches and deci- mals of a perch . RULE . Multiply the chains and links by 4. Thus 13.64 four- To reduce square four - pole chains to acres . pole chains = 54.56 perches . 82 MEASURING LAND .
... To reduce four - pole chains and links , to perches and deci- mals of a perch . RULE . Multiply the chains and links by 4. Thus 13.64 four- To reduce square four - pole chains to acres . pole chains = 54.56 perches . 82 MEASURING LAND .
Página 83
... four - pole chains to acres . RULE . Divide by 10 , and the quotient will be acres . If there be decimals in the quotient , multiply by 4 and by 40 to obtain the roods and perches . EXAMPLE . In 523.2791 square chains , how many acres ...
... four - pole chains to acres . RULE . Divide by 10 , and the quotient will be acres . If there be decimals in the quotient , multiply by 4 and by 40 to obtain the roods and perches . EXAMPLE . In 523.2791 square chains , how many acres ...
Página 87
... four - pole chains . Ch . 7.29 7.29 6561 1458 5103 t 10 ) 53.141 Area 5A . 1R . 10P . 5.31441 1.25764 40 10.30560 2. Required the area of a rectangular field whose length is 13.75 chains , and breadth 9.5 chains .. Ch . 13.75 9.5 6875 ...
... four - pole chains . Ch . 7.29 7.29 6561 1458 5103 t 10 ) 53.141 Area 5A . 1R . 10P . 5.31441 1.25764 40 10.30560 2. Required the area of a rectangular field whose length is 13.75 chains , and breadth 9.5 chains .. Ch . 13.75 9.5 6875 ...
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