The Theory and Practice of Surveying: Containing All the Instructions Requisite for the Skilful Practice of this ArtEvert Duyckinck, 1814 - 508 σελίδες |
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Σελίδα 14
... fourth , or required quantity , may be as much greater , or less than the third , as the second term is greater , or less than the first , then multiply the second and third terms together , and divide the product by the first term ...
... fourth , or required quantity , may be as much greater , or less than the third , as the second term is greater , or less than the first , then multiply the second and third terms together , and divide the product by the first term ...
Σελίδα 16
... fourth power . 32768 = 8 ′ = 8 ' Answer . EXAMPLES FOR EXERCISE . What is the second power of 3.05 ? What is the third power of 85.3 ? 620650.477 What is the fourth power of .073 ? Ans . 9.3025 Answer , Answer , 090028398241 What is the ...
... fourth power . 32768 = 8 ′ = 8 ' Answer . EXAMPLES FOR EXERCISE . What is the second power of 3.05 ? What is the third power of 85.3 ? 620650.477 What is the fourth power of .073 ? Ans . 9.3025 Answer , Answer , 090028398241 What is the ...
Σελίδα 17
... fourth root , because 3 × 3 × 3 × 3 = 3 ' - 81 . Again , if 729 be the given power , and its cube root be re- quired , the answer is 9 , for 9x9x9 = 729 ; and if the sixth root of that number be required , it is found to be 3 , for 3 ...
... fourth root , because 3 × 3 × 3 × 3 = 3 ' - 81 . Again , if 729 be the given power , and its cube root be re- quired , the answer is 9 , for 9x9x9 = 729 ; and if the sixth root of that number be required , it is found to be 3 , for 3 ...
Σελίδα 23
... fourth root of 97.41 Ans . = 3.1416 Required the cube root of .037 Required the cube root of 2 Ans . = .33322 + Ans . 1.2599+ Required the seventh root of 21035.8 Answer = [ 4.1454 . SECTION III . OF LOGARITHMS . LOGARITHMS are a series ...
... fourth root of 97.41 Ans . = 3.1416 Required the cube root of .037 Required the cube root of 2 Ans . = .33322 + Ans . 1.2599+ Required the seventh root of 21035.8 Answer = [ 4.1454 . SECTION III . OF LOGARITHMS . LOGARITHMS are a series ...
Σελίδα 25
... fourth by 7 , & c . and let these quotients be written orderly under one another ; add them together , and their sum will be a logarithm . To this logarithm add the logarithm of the next less number , and the sum will be the logarithm ...
... fourth by 7 , & c . and let these quotients be written orderly under one another ; add them together , and their sum will be a logarithm . To this logarithm add the logarithm of the next less number , and the sum will be the logarithm ...
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acres altitude Answer arch base bearing blank line centre chains and links circle circle of latitude circumferentor Co-sec Co-tang column compasses contained decimal Dep Lat Dep difference Dist divided divisions draw east Ecliptic edge EXAMPLE feet field-book figures fore four-pole chains geometrical series given number half the sum Horizon glass hypothenuse inches instrument Lat Dep Lat latitude length logarithm measure meridian distance multiplied Natural Co-sines natural sine Nonius number of degrees object observed off-sets opposite parallelogram perches perpendicular plane pole pole star PROB proportion protractor Quadrant quotient radius right angles right line scale of equal SCHOLIUM screw Secant sect semicircle Sextant side sights square root station stationary distance subtracted survey taken Tang tangent theo theodolite trapezium triangle ABC trigonometry vane versed sine vulgar fraction