The Theory and Practice of Surveying: Containing All the Instructions Requisite for the Skilful Practice of this ArtE. Duyckinck, 1811 - 508 من الصفحات |
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الصفحة 6
... contain of ciphers , it follows , that the places of decimals in the product , will be as many as in the numbers from whence it arose . EXAMPLES . Multiply 48.765 by .003609 .003609 438885 292590 146995 Product.175992885 Multiply .121 ...
... contain of ciphers , it follows , that the places of decimals in the product , will be as many as in the numbers from whence it arose . EXAMPLES . Multiply 48.765 by .003609 .003609 438885 292590 146995 Product.175992885 Multiply .121 ...
الصفحة 7
... contain as ma- ny decimal places as there are in the dividend . If , therefore , the dividend have just as many places of decimals as the divisor has , the quotient will be a whole number without any decimal figures . If there be more ...
... contain as ma- ny decimal places as there are in the dividend . If , therefore , the dividend have just as many places of decimals as the divisor has , the quotient will be a whole number without any decimal figures . If there be more ...
الصفحة 11
... contain several deno- minations , reduce them to the lowest term for the numerator ; reduce likewise that quantity , whose fraction is sought , to the same denomination for the denominator of a vulgar fraction ; then divide as before ...
... contain several deno- minations , reduce them to the lowest term for the numerator ; reduce likewise that quantity , whose fraction is sought , to the same denomination for the denominator of a vulgar fraction ; then divide as before ...
الصفحة 18
... contained in the said divi- dend , exclusive of its right hand figure , and set this quotient both in the place of the quotient and in the divisor . - The best way of doubling the root , to form each new divisor , is to add the last ...
... contained in the said divi- dend , exclusive of its right hand figure , and set this quotient both in the place of the quotient and in the divisor . - The best way of doubling the root , to form each new divisor , is to add the last ...
الصفحة 31
... contained in the other , by Logarithms . RULE . From the Logarithm of the Dividend subtract , the Logarithm of the Divisor , and the remainder will be the Logarithm , whose corresponding natu- ral number will be the Quotient required ...
... contained in the other , by Logarithms . RULE . From the Logarithm of the Dividend subtract , the Logarithm of the Divisor , and the remainder will be the Logarithm , whose corresponding natu- ral number will be the Quotient required ...
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عبارات ومصطلحات مألوفة
acres altitude Answer arch azimuth base bearing blank line centre chains and links chord circle circumferentor Co-sec Co-tang column compasses contained decimal difference distance line divided divisions draw east Ecliptic edge feet field-book figures fore four-pole chains geom given number half the sum Horizon glass hypothenuse inches instrument Lat Dep Lat latitude length logarithm measure meridian distance multiplied natural co-sine natural sine needle Nonius number of degrees object observed off-sets opposite parallel parallelogram pegs perches perpendicular plane pole pole star Portmarnock PROB protractor Quadrant quotient radius right angles right line scale of equal SCHOLIUM screw Secant sect Sextant side sights square station stationary distance subtract Sun's survey taken Tang tangent theo theodolite trapezium triangle ABC trigonometry two-pole chains vane versed sine vulgar fraction whence
مقاطع مشهورة
الصفحة 38 - The angle in a semicircle is a right angle ; the angle in a segment greater than a semicircle is less than a right angle ; and the angle in a segment less than a semicircle is greater than a right angle.
الصفحة 25 - 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, &c.
الصفحة 197 - RULE. From half the sum of the three sides subtract each side severally.
الصفحة 106 - C' (89) (90) (91) (92) (93) 112. In any plane triangle, the sum of any two sides is to their difference as the tangent of half the sum of the opposite angles is to the tangent of half their difference.
الصفحة 27 - The VERSED SINE of an arc is that part of the diameter which is between the sine and the arc. Thus BA is the versed sine of the arc AG.