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 TablesHarper, 1832 - 348 páginas |
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Página 18
... acre , mile , yard , or any thing , is equal to of 3 acres , miles , yards , & c .; therefore if 3 be divided by 4 , the quotient is the answer required . Reduce to a decimal fraction . Answer .4 Reduce Reduce 25 218 21-8 Reduce Reduce ...
... acre , mile , yard , or any thing , is equal to of 3 acres , miles , yards , & c .; therefore if 3 be divided by 4 , the quotient is the answer required . Reduce to a decimal fraction . Answer .4 Reduce Reduce 25 218 21-8 Reduce Reduce ...
Página 19
... acre . Ans . .00035 . Reduce 13 cents to the decimal of an eagle . Ans . .013 . Reduce 14 minutes to the decimal of a day . Ans . .00972+ Reduce 3 hours 46 minutes to the decimal of a week . Ans . 0224206+ RULE III . To find the value ...
... acre . Ans . .00035 . Reduce 13 cents to the decimal of an eagle . Ans . .013 . Reduce 14 minutes to the decimal of a day . Ans . .00972+ Reduce 3 hours 46 minutes to the decimal of a week . Ans . 0224206+ RULE III . To find the value ...
Página 20
... acre . 4 number of roods in an acre . 1.3500 = = 40 number of perches in a rood . 14.0000 The value , therefore , is 1 rood 14 perches . What is the value of .6875 of a yard ? 3 = number of feet in a yard . 2.0625 12 number of inches in ...
... acre . 4 number of roods in an acre . 1.3500 = = 40 number of perches in a rood . 14.0000 The value , therefore , is 1 rood 14 perches . What is the value of .6875 of a yard ? 3 = number of feet in a yard . 2.0625 12 number of inches in ...
Página 21
... acres 1 rood cost at that rate ? 3 acs . 3 rds . = 3.75 acres . 15 acs . 1 rd . = 15.25 acres . $ 93 , 60 cents = $ 93.60 Then 3.75 15.25 : : 93.60 : 15.25 468 00 1872 0 46800 9360 3.75 ) 1427.4000 ( 380.64 Answer . 1125 3024 3000 2400 ...
... acres 1 rood cost at that rate ? 3 acs . 3 rds . = 3.75 acres . 15 acs . 1 rd . = 15.25 acres . $ 93 , 60 cents = $ 93.60 Then 3.75 15.25 : : 93.60 : 15.25 468 00 1872 0 46800 9360 3.75 ) 1427.4000 ( 380.64 Answer . 1125 3024 3000 2400 ...
Página 152
... acres ; because 10 square four - pole chains make an acre , and the remaining figures on the right are decimal parts of an acre . Multiply the five figures to the right by four , cutting five figures from the product , and if any figure ...
... acres ; because 10 square four - pole chains make an acre , and the remaining figures on the right are decimal parts of an acre . Multiply the five figures to the right by four , cutting five figures from the product , and if any figure ...
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Términos y frases comunes
ABCD acres altitude arch azimuth base bearing blank line centre chains and links circle circumferentor co-sine column compasses contained 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 method multiplied needle nonius number of degrees object observed offsets opposite parallelogram perches perpendicular plane prob PROBLEM proportion protractor quadrant quotient radius rhombus right angles right line scale of equal SCHOLIUM screw secant sect sector semicircle side square root station stationary distance subtract suppose survey taken tangent theo theodolite THEOREM third trapezium triangle ABC trigonometry two-pole chains vane vulgar fraction whence
Pasajes populares
Página 173 - In like manner, when it is said, that " triangles on the same base, and between the same parallels, are equal...
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 163 - RULE. From half the sum of the three sides subtract each side severally.
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 97 - 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.
Página 41 - The radius of a circle is a right line drawn from the centre to the circumference.
Página 52 - Triangles upon equal bases, and between the same parallels, are equal to one another.
Página 24 - The square of the sum of two numbers is equal to the square of the first number plus twice the product of the first and second number plus the square of the second number.
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.