A Treatise on Practical Surveying: Which is Demonstrated from Its First Principles, Wherein Every Thing that is Useful and Curious in that Art, is Fully Considered and ExplainedF. Lucas, Jun. and Joseph Cushing, 1816 - 472 páginas |
Dentro del libro
Resultados 1-5 de 26
Página 198
... acre , it must thence follow , that Any area , or content in perches , being divided by 160 , will give the content in acres ; the remaining perches , if more than 40 , being divided by 40 , will give the roods , and the last remainder ...
... acre , it must thence follow , that Any area , or content in perches , being divided by 160 , will give the content in acres ; the remaining perches , if more than 40 , being divided by 40 , will give the roods , and the last remainder ...
Página 199
... acre , and the re- maining figures are decimal parts of an acre . Multiply the figures to the right by 4 , cutting 5 figures from the first product , and if any figure be to the left of them , it is a rood , or roods ; multiply the last ...
... acre , and the re- maining figures are decimal parts of an acre . Multiply the figures to the right by 4 , cutting 5 figures from the first product , and if any figure be to the left of them , it is a rood , or roods ; multiply the last ...
Página 200
... acres . By problem 4. section 3 . Ch . L. 14.29 are equal to 29.16 perches ; then A. R. P. 29. 16 x 29.16 = 850.3056 = 5 1 10 Ch . L. Or , thus : Ch . L : hains , * 14.26 are equal to 7. 29 of four - pole chains , by prob . 1. sect . 3 ...
... acres . By problem 4. section 3 . Ch . L. 14.29 are equal to 29.16 perches ; then A. R. P. 29. 16 x 29.16 = 850.3056 = 5 1 10 Ch . L. Or , thus : Ch . L : hains , * 14.26 are equal to 7. 29 of four - pole chains , by prob . 1. sect . 3 ...
Página 202
... acres , and also to lay down a map of it , by a scale of 20 perches to an inch . Ch . L. Perches . 14.25-29.00 By prob . 4. sect . 3 . 8.37 = 17.48 $ A. R. P. Then 17.48x29 . - 506.9.2 perches - 3 . 0. 26.92 Or , thus : 4 pole - chains ...
... acres , and also to lay down a map of it , by a scale of 20 perches to an inch . Ch . L. Perches . 14.25-29.00 By prob . 4. sect . 3 . 8.37 = 17.48 $ A. R. P. Then 17.48x29 . - 506.9.2 perches - 3 . 0. 26.92 Or , thus : 4 pole - chains ...
Página 210
... 3.33740 1.66870 or , 4.663 Acres . Or , 15.96 × 5.32 × 3.68 × 6.96 = 2174 71113216 the square root of which is 46.63 , for the area as before . 2. What quantity of land is contained in a triangle 210 TO FIND THE CONTENT OF GROUND .
... 3.33740 1.66870 or , 4.663 Acres . Or , 15.96 × 5.32 × 3.68 × 6.96 = 2174 71113216 the square root of which is 46.63 , for the area as before . 2. What quantity of land is contained in a triangle 210 TO FIND THE CONTENT OF GROUND .
Otras ediciones - Ver todas
A Treatise of Practical Surveying: Which is Demonstrated From Its First ... Robert Gibson Sin vista previa disponible - 2021 |
Términos y frases comunes
20 perches 50 Dist ABCD acres altitude annexed Answer base bearing bisect blank line centre chains and links chord circle circumferentor Co-secant Secant Co-sine Co-tang column contained cyphers decimal decimal fraction Dep Lat difference divided divisor draw east edge EXAMPLE feet field-book figures four-pole chains given angle half the sum height Hence hypothenuse inches instrument latitude length logarithm magnetical measure meridian distance multiplied needle number of degrees object off-sets parallel parallelogram perpendicular piece of ground plane Portmarnock PROB proportion protractor quotient radius right angles right line scale of equal SCHOLIUM sect semicircle side sights sine square root stationary distance sun's suppose survey taken tance Tang tangent thence theo theodolite THEOREM thro trapezium triangle ABC trigonometry true amplitude true azimuth two-pole chains vane variation whence