Crocker's Elements of land surveying. To which are added, Tables of six-figure logarithms, superintended by R. Farley1841 |
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Resultat 1-5 av 54
Side 85
... stations , by a river's side , 400 links apart ; let C be a house , on the other side , the distance of which from A , and from B , is required ; and let the A be 70 ° , and B 54 ° 30 ' ; required , by Gunter's scale , the distance AC ...
... stations , by a river's side , 400 links apart ; let C be a house , on the other side , the distance of which from A , and from B , is required ; and let the A be 70 ° , and B 54 ° 30 ' ; required , by Gunter's scale , the distance AC ...
Side 180
... station on the forest of Mendip , in Somersetshire , another on Westbury - down , and a third on Long - knoll , in Wilts . Westbury - down . Mendip . The Long - knoll . observed on Mendip , between Westbury- down and Long - knoll , was ...
... station on the forest of Mendip , in Somersetshire , another on Westbury - down , and a third on Long - knoll , in Wilts . Westbury - down . Mendip . The Long - knoll . observed on Mendip , between Westbury- down and Long - knoll , was ...
Side 184
... station where the instrument is placed , may readily be ascertained ; or the angle itself may be drawn on the paper . A magnetic needle in a compass - box is fixed to one side of the board , which serves to point out the bearing of any ...
... station where the instrument is placed , may readily be ascertained ; or the angle itself may be drawn on the paper . A magnetic needle in a compass - box is fixed to one side of the board , which serves to point out the bearing of any ...
Side 185
... station point , on the ob- scure line he had before drawn . Every line which is to be measured must be laid down on ... stations within ; or by sundry stations taken near the boundaries , within or without the fences . - - E B A measurer ...
... station point , on the ob- scure line he had before drawn . Every line which is to be measured must be laid down on ... stations within ; or by sundry stations taken near the boundaries , within or without the fences . - - E B A measurer ...
Side 186
... station to the other . At this second station he must now set his plane table ; and placing the scale on the obscure line of stations , he must unscrew the head , and turn it about until the sights are directed to his back station , and ...
... station to the other . At this second station he must now set his plane table ; and placing the scale on the obscure line of stations , he must unscrew the head , and turn it about until the sights are directed to his back station , and ...
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Crocker's Elements of Land Surveying. to Which Are Added, Tables of Six ... Abraham Crocker,Richard Farley Ingen forhåndsvisning tilgjengelig - 2023 |
Crocker's Elements of Land Surveying. to Which Are Added, Tables of Six ... Abraham Crocker,Richard Farley Ingen forhåndsvisning tilgjengelig - 2018 |
Crocker's Elements of Land Surveying. to Which Are Added, Tables of Six ... Abraham Crocker,Richard Farley Ingen forhåndsvisning tilgjengelig - 2023 |
Vanlige uttrykk og setninger
30 Cosine acres angular point Ansr base Bisect called centre chain circle circumference Co-s construction Cotang decimal describe the arc diagonal diameter Diff distance divided draw the line ellipse equilateral triangle EUCLID Examples for Practice Extend the compasses extent fence field field-book figure find the Area find the side geometrical given angle given line Gunter's scale half sum hypothenuse inches inscribed instrument Land-measuring length line drawn logarithm measured method Multiply natural number NATURAL SINES nonagon number of degrees parallel line parallel ruler parallelogram perches perpendicular polygon PROBLEM proportion protractor quantity radius regular polygon Required the area rhomboides rhombus right angles right line roods RULE scale of chords scale of equal scalenous triangle segment sextant side AC square links station subtracted Suppose tabular difference Tangent telescope theodolite transverse trapezium trapezoid triangle ABC Trigonometry vulgar fraction ΙΟ
Populære avsnitt
Side i - CROCKER'S ELEMENTS OF LAND SURVEYING. Fifth Edition, corrected throughout, and considerably improved and modernized, by TG BUNT, Land Surveyor, Bristol. To which are added, TABLES OF SIX-FIGURE LOGARITHMS, &c., superintended by RICHARD FARLEY, of the Nautical Almanac Establishment.
Side 4 - ... one less than the number of figures in the integral part of the natural number. The decimal part...
Side 8 - The logarithm of the quotient of two positive numbers is found by subtracting the logarithm of the divisor from the logarithm of the dividend. (6) The logarithm of a power of a positive number is found by multiplying the logarithm of the number by the exponent of the power. For, N" = (oT)
Side 123 - Or, from 8 times the chord of half the arc, subtract the chord of the whole arc, and $ of the remainder will be the length of the arc, nearly.
Side 61 - If a side be required, say, — As the sine of the given angle is to its opposite side, So is the sine of either of the other angles to its opposite side.
Side 272 - Two or more places are on a true level, when they are equally distant from the centre of the earth. Also, one place is higher than another, or...
Side 131 - This figure being a mean proportional between its circumscribed and inscribed circles, that is, equal to a circle whose diameter is a mean proportional between the axes of the ellipse, we...
Side 103 - From half the sum of the three sides subtract each side severally. Multiply the half sum and the three remainders...
Side 40 - Triangles upon equal bases, and between the same parallels, are equal to one another.
Side 122 - To find the area of a sector of a circle. RULE I. — Multiply the radius by half the arc of the sector for the area.