The Theory and Practice of Surveying: Containing All the Instructions Requisite for the Skilful Practice of this Art |
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Page 9
... integers . Divide 2 by 3.1416 3.1416 ) 2.0000,0 ( 0.636618 + quotient . 1 8849 6 115040 94248 207920 188496 194240 188496 57440 31416 260240 251228 9012+ G In this example there are four decimal figures in the DECIMAL FRACTIONS . 9.
... integers . Divide 2 by 3.1416 3.1416 ) 2.0000,0 ( 0.636618 + quotient . 1 8849 6 115040 94248 207920 188496 194240 188496 57440 31416 260240 251228 9012+ G In this example there are four decimal figures in the DECIMAL FRACTIONS . 9.
Page 10
... example there are four decimal figures in the divisor , and none in the dividend ; therefore , according to the rule ... EXAMPLES . Reduce to a decimal fraction . 4 ) 3.00 .75 = decimal required . For of one acre , mile , yard , or any ...
... example there are four decimal figures in the divisor , and none in the dividend ; therefore , according to the rule ... EXAMPLES . Reduce to a decimal fraction . 4 ) 3.00 .75 = decimal required . For of one acre , mile , yard , or any ...
Page 11
... sought , to the same denomination for the denominator of a vulgar fraction ; then divide as before directed . EXAMPLES . Reduce 9 inches to the Decimal of a foot . The foot being equal to 12 inches , the vulgar DECIMAL FRACTIONS . 11.
... sought , to the same denomination for the denominator of a vulgar fraction ; then divide as before directed . EXAMPLES . Reduce 9 inches to the Decimal of a foot . The foot being equal to 12 inches , the vulgar DECIMAL FRACTIONS . 11.
Page 13
... EXAMPLES . Required the value of .3375 of an acre . 4 number of roods in [ an acre . 1.3500 40 = number of perches 14.0000 [ in a rood . The value , therefore , is 1 rood 14 perches . What is the value of .6875 of a yard ? DECIMAL ...
... EXAMPLES . Required the value of .3375 of an acre . 4 number of roods in [ an acre . 1.3500 40 = number of perches 14.0000 [ in a rood . The value , therefore , is 1 rood 14 perches . What is the value of .6875 of a yard ? DECIMAL ...
Page 14
... -in the same denomination with the third term . EXAMPLES . If 3 acres 3 roods of land can be purchased for 93 dollars 60 cts . how much will 15 acres 1 rood cost at that rate ? 3 acs . 3 rds . 15 acs . 1 14 DECIMAL FRACTIONS .
... -in the same denomination with the third term . EXAMPLES . If 3 acres 3 roods of land can be purchased for 93 dollars 60 cts . how much will 15 acres 1 rood cost at that rate ? 3 acs . 3 rds . 15 acs . 1 14 DECIMAL FRACTIONS .
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Common terms and phrases
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
Popular passages
Page 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.
Page 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.
Page 197 - RULE. From half the sum of the three sides subtract each side severally.
Page 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.
Page 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.