The Theory and Practice of Surveying: Containing All the Instructions Requisite for the Skilful Practice of this Art. With a New Set of Accurate Mathematical TablesA. S. Barnes, 1839 - 412 páginas |
Dentro del libro
Resultados 1-5 de 65
Página 13
... manner as in whole numbers , and put the decimal point in the sum directly beneath the other points . EXAMPLES . Add 4.7832 , 3.2543 , 7.8251 , 6.03 , 2.857 , and 3.251 together . Place them thus , 4.7832 3.2543 7.8251 6.03 2.857 3.251 ...
... manner as in whole numbers , and put the decimal point in the sum directly beneath the other points . EXAMPLES . Add 4.7832 , 3.2543 , 7.8251 , 6.03 , 2.857 , and 3.251 together . Place them thus , 4.7832 3.2543 7.8251 6.03 2.857 3.251 ...
Página 20
... manner through all the parts of the integer , and the several denomina- tions standing on the left - hand are the value required . EXAMPLES . Required the value of .3375 of an acre . 4 = number of roods in an acre . 1.3500 40 = number ...
... manner through all the parts of the integer , and the several denomina- tions standing on the left - hand are the value required . EXAMPLES . Required the value of .3375 of an acre . 4 = number of roods in an acre . 1.3500 40 = number ...
Página 24
... manner to find decimals , adding , to find each figure , two ciphers , or if the given number end in an interminate decimal , the two figures that would next arise from its continuation . To extract the root of a fraction , reduce it to ...
... manner to find decimals , adding , to find each figure , two ciphers , or if the given number end in an interminate decimal , the two figures that would next arise from its continuation . To extract the root of a fraction , reduce it to ...
Página 25
... manner the operation may be illustrated in every case . rule , however , is best demonstrated by Algebra . The multiply this divisor by the second figure , and subtract See my Treatise on this subject , vage 231 , second edition . - ED ...
... manner the operation may be illustrated in every case . rule , however , is best demonstrated by Algebra . The multiply this divisor by the second figure , and subtract See my Treatise on this subject , vage 231 , second edition . - ED ...
Página 27
... manner , the cube of the root last found as a new assumed cube , another root will be obtained still nearer . And so on as far as we please ; using always the cube of the last found root for the assumed cube . EXAMPLES . 1. To find the ...
... manner , the cube of the root last found as a new assumed cube , another root will be obtained still nearer . And so on as far as we please ; using always the cube of the last found root for the assumed cube . EXAMPLES . 1. To find the ...
Otras ediciones - Ver todas
Términos y frases comunes
ABCD acres altitude arch base bearing blank line centre chains and links circle circumferentor column compasses contained Cosine Sine cube root decimal diagonal diameter difference of latitude divided divisions divisor draw east ecliptic edge EXAMPLE feet field-book figure four-pole chains geometrical series given angle given number half the sum height Hence horizon glass hypothenuse inches instrument length logarithm manner measure meridian distance multiplied needle nonius number of degrees object observed opposite parallelogram perches perpendicular plane prob PROBLEM proportion protractor quadrant quotient radius rhombus right angles right line scale of equal screw secant sect sector semicircle side Sine Cotang square root station stationary distance subtract suppose survey taken Tang tangent theo theodolite THEOREM trapezium triangle ABC trigonometry two-pole chains vane vulgar fraction whence
Pasajes populares
Página 49 - 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.
Página 41 - 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.
Página 41 - The radius of a circle is a right line drawn from the centre to the circumference.
Página 45 - A lemma is something which is premised, or demonstrated, in order to render what follows more easy. A corollary is a consequent truth derived immediately from some preceding truth or demonstration.
Página 35 - DIVISION BY LOGARITHMS. RULE. From the logarithm of the dividend subtract the logarithm of the divisor, and the number answering to the remainder will be the quotient required.
Página 21 - Then multiply the second and third terms together, and divide the product by the first term: the quotient will be the fourth term, or answer.