Mathematics: Compiled from the Best Authors and Intended to be the Text-book of the Course of Private Lectures on These Sciences in the University at Cambridge, Volumen2Printed at the University Press, by WilliamHilliard, 1801 |
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Página 212
... reduce it to the true horizontal distance . But KING'S Surveying Quadrant may be used with much more advan- tage in ... reducing scale , parallel and perpendicular rules , & c . Of plane scales there should be several sizes , as 1 chain ...
... reduce it to the true horizontal distance . But KING'S Surveying Quadrant may be used with much more advan- tage in ... reducing scale , parallel and perpendicular rules , & c . Of plane scales there should be several sizes , as 1 chain ...
Página 248
... reduce all oblique lines , meas- ured up and down hills , to horizontal straight lines , if that was not done in the field before they were entered in the field book , by making a proper allowance . For which purpose there is a small ...
... reduce all oblique lines , meas- ured up and down hills , to horizontal straight lines , if that was not done in the field before they were entered in the field book , by making a proper allowance . For which purpose there is a small ...
Página 249
... reduced to acres by cutting off five figures on the right , for deci- mals ; then bring these decimals to roods and perches , by multiplying first by 4 and then by 40 . 2. In small and separate pieces , it is usual to cast up their ...
... reduced to acres by cutting off five figures on the right , for deci- mals ; then bring these decimals to roods and perches , by multiplying first by 4 and then by 40 . 2. In small and separate pieces , it is usual to cast up their ...
Página 254
... reducing such crooked sides of fields or boundaries to straight lines , that shall inclose the same or an equal area with these crooked sides , and so ob- taining the area of the curved figure by means of the right - lined one , which ...
... reducing such crooked sides of fields or boundaries to straight lines , that shall inclose the same or an equal area with these crooked sides , and so ob- taining the area of the curved figure by means of the right - lined one , which ...
Página 255
... reduced in such a manner , that the small parts , cut off from the crooked figure by it , may be equal to those , which are taken in ; which equali- ty of the parts included and excluded , you will presently be able to judge of very ...
... reduced in such a manner , that the small parts , cut off from the crooked figure by it , may be equal to those , which are taken in ; which equali- ty of the parts included and excluded , you will presently be able to judge of very ...
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Términos y frases comunes
abscisses ADBA altitude angle answer axes axis azimuth base breadth bung diameter cask centre chord circumference cone conjugate cosine course curve declination departure dial diff difference of latitude difference of longitude distance divided draw drawn ecliptic ellipse equal equinoctial EXAMPLES feet figure find the area find the solidity frustum given head diameter height Hence horizon hour angle hour lines hyperbola hypotenuse intersection latit measure meridian middle latitude miles multiply the sum NOTE oblique circle opposite ordinate parabola parallel of latitude parallel sailing parallelogram perpendicular plane sailing pole primitive PROBLEM PROBLEM projection proportion quadrant radius rectangle Required the area Required the content right ascension right line RULE secant segment side sphere spherical triangle spindle square star station stile subtract sun's tance tang tangent THEOREM transverse trapezium triangle ABC ullage wine gallons yards
Pasajes populares
Página 21 - As the base or sum of the segments Is to the sum of the other two sides, So is the difference of those sides To the difference of the segments of the base.
Página 17 - To find the other side: — as the sum of the two given sides is to their difference, so is the tangent of half the sum of their opposite angles to the tangent of half their difference...
Página 83 - A sphere is a solid bounded by a curved surface, every point of which is equally distant from a point within called the center.
Página 328 - The conjugate to any diameter is the line drawn through the centre, and parallel to the tangent of the curve at the vertex of the diameter. So...
Página 28 - But if the hypothenuse be made radius -, then each leg "will represent the sine of its opposite angle ; namely, the leg AB the sine of the arc AE or angle c, and the leg BC the sine of the arc CD or angle A.
Página 83 - The axis of a solid is a line drawn from the middle of one end to the middle of the opposite end ; as between the opposite ends of a prism.
Página 83 - The sphere may be conceived to be formed by the revolution of a semicircle about its diameter, which remains fixed.
Página 130 - Between these, in a right line, stands an ancient statue, the head whereof is 97 feet from the summit of the higher, and 86 feet from the top of the lower column, and the distance between the...
Página 205 - 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.
Página 38 - Multiply the sum of the two parallel sides by the perpendicular distance between them, and half the product will be the area.