A practical treatise on ... land and engineering surveying, Τόμος 341863 |
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Σελίδα iv
... sine given The diameter of a circle given , to find the circumference ; or the circum- ference , to find the diameter . To describe an ellipsis , the transverse and conjugate diameters given To draw an ellipsis by the trammel To ...
... sine given The diameter of a circle given , to find the circumference ; or the circum- ference , to find the diameter . To describe an ellipsis , the transverse and conjugate diameters given To draw an ellipsis by the trammel To ...
Σελίδα 4
... sine before the index ) that of .01 is -2 ; that of .001 is -3 , & c . Thus the logarithm of 2705 is 3.432167 , the logarithm of ,, & c . , will be thus : NATURAL NUMBERS . LOGARITHMS . 2705 270.5 27.05 2.705 .2705 .02705 Index ...
... sine before the index ) that of .01 is -2 ; that of .001 is -3 , & c . Thus the logarithm of 2705 is 3.432167 , the logarithm of ,, & c . , will be thus : NATURAL NUMBERS . LOGARITHMS . 2705 270.5 27.05 2.705 .2705 .02705 Index ...
Σελίδα 9
... sine is the same as the co - secant of the same number of degrees . From Subtract the log . of The arith . comp . of = 10.0000000 4.1 0.6127839 = 4.1 9.3872161 INVOLUTION . Involution is the raising of powers , from any given number ...
... sine is the same as the co - secant of the same number of degrees . From Subtract the log . of The arith . comp . of = 10.0000000 4.1 0.6127839 = 4.1 9.3872161 INVOLUTION . Involution is the raising of powers , from any given number ...
Σελίδα 11
... sine , co - tangent , & c . , reads from the bottom upwards . To find the logarithm of any sine , & c . , to 5 minutes of a degree , look in the table for the degrees in the first column on the left hand , and the minutes on the top ...
... sine , co - tangent , & c . , reads from the bottom upwards . To find the logarithm of any sine , & c . , to 5 minutes of a degree , look in the table for the degrees in the first column on the left hand , and the minutes on the top ...
Σελίδα 12
... sine answering to 9.540248 : The next less logarithm . The next greater The difference . Given logarithm Next less logarithm Difference . . · 9.539223 = 20 ° 15 ' 9.540931 20 ° 20 ′ .001708 = 9.540248 = 9.539223 .001025 Then as 1708 : 5 ...
... sine answering to 9.540248 : The next less logarithm . The next greater The difference . Given logarithm Next less logarithm Difference . . · 9.539223 = 20 ° 15 ' 9.540931 20 ° 20 ′ .001708 = 9.540248 = 9.539223 .001025 Then as 1708 : 5 ...
Άλλες εκδόσεις - Προβολή όλων
A Practical Treatise on ... Land and Engineering Surveying Henry S. Merrett Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2015 |
A Practical Treatise On ... Land and Engineering Surveying Henry S Merrett Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2018 |
Συχνά εμφανιζόμενοι όροι και φράσεις
A B C acres adjustment base line bubble calculated centre chain lines chord circle circumference circumferentor collimation column compass correct cross sections cube yards curve datum line described diameter Diff difference Ditto divided divisions draw the line equal fence field-book fifth column figure find the area fixed flag fore sights frustrum given ground height horizontal inches and decimals inclosure instrument intersecting length line A B logarithm manner mark measure method minutes multiply needle object Offsets in inches parallel plate parallelogram pencil perpendicular plotted poles Problem protractor quantity quotient Radius in chains right angles roods Rule scale secant sector segment sextant side A B sine slopes spirit level square links staff station straight edge subtract surface survey surveyor TABLE take the angle tangent points telescope theodolite tie line tracing paper transverse distance trapezium triangle vernier vertical whole
Δημοφιλή αποσπάσματα
Σελίδα 102 - All the interior angles of any rectilineal figure, together with four right angles, are equal to twice as many right angles as the figure has sides.
Σελίδα 66 - ... the rail; multiply the length by the breadth and the product by the height; then divide the product by two, and you have the number of bushels of shelled corn in the crib.