The Theory and Practice of Surveying: Containing All the Instructions Requisite for the Skilful Practice of this Art |
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... division . Xor , ÷ :::: • proportion . · $ २७२ ॥ •• Thus , equality . square root . cube root , & c . diff . between two numbers when it is not known which is the greater . 5 + 3 , denotes that 3 is to be added to 5 . 6 2 , denotes ...
... division . Xor , ÷ :::: • proportion . · $ २७२ ॥ •• Thus , equality . square root . cube root , & c . diff . between two numbers when it is not known which is the greater . 5 + 3 , denotes that 3 is to be added to 5 . 6 2 , denotes ...
Page 7
... DIVISION OF DECIMALS . Divide as in whole numbers ; observing that the divisor and quotient together must contain as ma- ny decimal places as there are in the dividend . If , therefore , the dividend have just as many places of decimals ...
... DIVISION OF DECIMALS . Divide as in whole numbers ; observing that the divisor and quotient together must contain as ma- ny decimal places as there are in the dividend . If , therefore , the dividend have just as many places of decimals ...
Page 10
... division being now performed , the decimal figures of the quotient are obtained . Divide 7234.5 by 6.5 Divide 476.520 by .423 Divide .45695 by 12.5 Divide 2.3 by 96 Quotient = 1113 . Divide 87446071 by .004387 - Divide .624672 by 482 ...
... division being now performed , the decimal figures of the quotient are obtained . Divide 7234.5 by 6.5 Divide 476.520 by .423 Divide .45695 by 12.5 Divide 2.3 by 96 Quotient = 1113 . Divide 87446071 by .004387 - Divide .624672 by 482 ...
Page 18
... division . Subtract the square , thus found , from the said period , and to the remainder annex the two figures of the next following period , for a dividend . Double the root above mentioned for a divisor , and find how often it is ...
... division . Subtract the square , thus found , from the said period , and to the remainder annex the two figures of the next following period , for a dividend . Double the root above mentioned for a divisor , and find how often it is ...
Page 25
... division can be made . Write the reserved quotients orderly under one another , the first being uppermost . Divide these quotients respectively by the odd numbers 1 , 3 , 5 , 7 , 9 , 11 , & c .; that is , divide the first reserved quo ...
... division can be made . Write the reserved quotients orderly under one another , the first being uppermost . Divide these quotients respectively by the odd numbers 1 , 3 , 5 , 7 , 9 , 11 , & c .; that is , divide the first reserved quo ...
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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.