A Compendious System of Practical Surveying, and Dividing of Land: Concisely Defined, Methodically Arranged, and Fully Exemplified : the Whole Adapted for the Easy and Regular Instruction of Youth, in Our American SchoolsJohnson and Warner, 1814 - 227 σελίδες |
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Σελίδα 110
... Co - sine Tang . Co - tang . Secant . Co - sec . 010.00000 10.00000 0.000000 Infinite . 10.00000 Infinite . 60 1 6.46373 10.00000 6.46373 13.53927 10.00000 13.53627 59 00000 2 76476 3 94085 00000 4 7.06579 76476 23524 94085 05915 00000 ...
... Co - sine Tang . Co - tang . Secant . Co - sec . 010.00000 10.00000 0.000000 Infinite . 10.00000 Infinite . 60 1 6.46373 10.00000 6.46373 13.53927 10.00000 13.53627 59 00000 2 76476 3 94085 00000 4 7.06579 76476 23524 94085 05915 00000 ...
Σελίδα 111
... Co - sine Tang . Co - Tang Secant . | Co - Sec . 8.24185 9.99993 8.24192 11.75808 10.00007 11.75814 60 24003 99993 2 25609 99993 25616 24910 75090 00007 75097 59 74384 00907 74391 58 3 26304 99993 26311 73688 00007 73696 57 4 26988 ...
... Co - sine Tang . Co - Tang Secant . | Co - Sec . 8.24185 9.99993 8.24192 11.75808 10.00007 11.75814 60 24003 99993 2 25609 99993 25616 24910 75090 00007 75097 59 74384 00907 74391 58 3 26304 99993 26311 73688 00007 73696 57 4 26988 ...
Σελίδα 112
... Co - sine . T.ng. Co - tang . Tang Co - sec . 0 8.54282 9.99973 8.54309 11.45692 10.00026 11.45718 60 54642 99973 54669 45331 00027 45358 59 2 54999 99973 55027 44973 00027 45000 58 55354 99972 55382 44618 00028 44646 57 55705 99972 ...
... Co - sine . T.ng. Co - tang . Tang Co - sec . 0 8.54282 9.99973 8.54309 11.45692 10.00026 11.45718 60 54642 99973 54669 45331 00027 45358 59 2 54999 99973 55027 44973 00027 45000 58 55354 99972 55382 44618 00028 44646 57 55705 99972 ...
Σελίδα 113
... Co - sine . Tang . Co - Tang ] Secant . Co - sec . 8.71880 9.99940 8.71940 11.28060 10.00059 11.28120 60 器 1 72120 99940 72181 27819 00060 27880 59 2 72359 99939 72420 27580 00061 27640 58 3 72597 99938 72659 27341 00062 27403 57 4 ...
... Co - sine . Tang . Co - Tang ] Secant . Co - sec . 8.71880 9.99940 8.71940 11.28060 10.00059 11.28120 60 器 1 72120 99940 72181 27819 00060 27880 59 2 72359 99939 72420 27580 00061 27640 58 3 72597 99938 72659 27341 00062 27403 57 4 ...
Σελίδα 114
... Tang . Co - tang . Secant . | Co - sec . 8.84358 9.99894 8.8426211.15536 10.00106 11.15642 60 84539 99893 84605 15355 00107 15461 59 84718 99892 84826 15175 00108 84897 99891 2 15282 58 85006 14995 00109 15103 57 85075 99890 85185 14814 ...
... Tang . Co - tang . Secant . | Co - sec . 8.84358 9.99894 8.8426211.15536 10.00106 11.15642 60 84539 99893 84605 15355 00107 15461 59 84718 99892 84826 15175 00108 84897 99891 2 15282 58 85006 14995 00109 15103 57 85075 99890 85185 14814 ...
Άλλες εκδόσεις - Προβολή όλων
A Compendious System of Practical Surveying, and Dividing of Land: Concisely ... Πλήρης προβολή - 1814 |
A Compendious System of Practical Surveying, and Dividing of Land: Concisely ... Πλήρης προβολή - 1814 |
A Compendious System of Practical Surveying, and Dividing of Land: Concisely ... Zachariah Jess Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2023 |
Συχνά εμφανιζόμενοι όροι και φράσεις
180 degrees 40 perches ABCD acres angle opposite Artificial Sines base BC bearing and distance centre chains chord of 60 circle Co-sec Co-sine Co-tang Tang compasses decimal Deg Dist DegDegDeg describe an arch diameter diff difference of latitude divided division line double area East EXAMPLE extent will reach feet find the angles find the area find the bearing find the Content find the difference find the hypothenuse find the logarithm following figure foot half the sum hypothenuse 121 hypothenuse AC intersect latitude and departure left hand line of numbers line of sines Meridian Distance Multiply North Oblique Angled Trigonometry off-sets opposite angle parallelogram perpen perpendicular BC piece of ground PROBLEM quotient radius 90 Rhombus right angled triangle Right Angled Trigonometry RULE scale of equal Secant side BC South square perches square root Stations Bearings subtracted survey tangent Trapezium West
Δημοφιλή αποσπάσματα
Σελίδα 50 - ЙО, 30, &c., to the left hand, where it ends at 87 degrees. This line. with the line of equal parts, marked (EP), under it, are used together, and only in Mercator's Sailing. The upper line contains the degrees of the meridian, or latitude in a Mercator's chart, corresponding to the degrees of longitude on the lower line. The use of this Scale in solving the usual problems of Trigonometry...
Σελίδα 80 - To the length of the given side ; So is the sine of the angle opposite the required side. To the length of the required side.
Σελίδα 4 - The circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; and each degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds ; and these into thirds, etc.
Σελίδα 44 - I tenth part ; and the next 2, 2 tenth parts; and 10 at the end will be but one whole number or integer. As the figures are increased or diminished in their value, so in like manner must all the intermediate strokes or subdivisions be increased or diminished ; that is, if the first...
Σελίδα 47 - EXAMPLE. If the diameter of a circle be 7 inches, and the circumference 22, what is the circumference of another circle, the diameter of which is 14 inches ? Extend from 7 to 22, that extent will reach from 14 to 44 the same way.
Σελίδα 217 - Then if the true and magnetic amplitudes be both north or both south their difference is the variation, but if one be north and the other south their sum is the variation ; and to know whether it be easterly or westerly, suppose the observer looking towards that point of the compass representing the magnetic amplitude; then if the true amplitude be to the...
Σελίδα 220 - Ъои) on the east, or both on the west side of the meridian, their difference is the variation : but if one be on the east, and the other on the west side of the meridian, their sum is the variation ; and to know if it be east or west, suppose the observer looking towards that point of the compass representing the magnetic azimuth ; then if the true •azimuth be to the right of the magnetic, the variation is east, but if the true be to the left of the magnetic, the variation is west. EXAMPLE....
Σελίδα 215 - As the length of the whole line, Is to 57.3 Degrees,* So is the said distance, To the difference of Variation required. EXAMPLE. Suppose it be required to run a line which some years ago bore N.
Σελίδα 219 - . 2. Subtract the Sun's declination from 90«, when the latitude and declination are of the same name, or add it to 90*, when they are of contrary names ; and the sum, or remainder, will be the Sun's polar distance. , 3. Add together the Sun's polar distance, the latitude of the place, and the altitude of the Sun; take the difference between half their sum and the polar distance, and note the remainder.
Σελίδα 49 - ... degrees of the quadrant, begins at the right hand against 90° on the sines, and from thence is numbered towards the left hand thus : 10, 20...