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 3
... third . 003 Hence it appears , that as the value and deno- mination of any figure , or number of figures , in common arithmetic is enlarged , and becomes ten , or an hundred , or a thousand times greater , by placing one or two , or ...
... third . 003 Hence it appears , that as the value and deno- mination of any figure , or number of figures , in common arithmetic is enlarged , and becomes ten , or an hundred , or a thousand times greater , by placing one or two , or ...
Σελίδα 14
... 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 , and the quotient will be the answer ; -in the same denomination with the third ...
... 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 , and the quotient will be the answer ; -in the same denomination with the third ...
Σελίδα 16
... third power . 8 = biquadrate 8 [ or 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 ...
... third power . 8 = biquadrate 8 [ or 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 ...
Σελίδα 25
... third by 5 , the 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 ...
... third by 5 , the 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 ...
Σελίδα 32
... under one another , with the signs of propor- tion ; then add the Logarithms of the second and third terms together , and from their sum subtract the Logarithm of the first term , and the remainder 32 OF LOGARITHMS .
... under one another , with the signs of propor- tion ; then add the Logarithms of the second and third terms together , and from their sum subtract the Logarithm of the first term , and the remainder 32 OF LOGARITHMS .
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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