The Theory and Practice of Surveying: Containing All the Instructions Requisite for the Skilful Practice of this Art |
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Page
... multiplied by 3 . 84 , denotes that 8 is to be divided by 4 . 2 : 34 : 6 , shows that 2 is to 3 as 4 is to 6 . 6 + 4 = 10 , shows that the sum of 6 and 4 is equal to 10 : ✓3 , or 32 , denotes the square root of the number 3 . 3 ✓5 ...
... multiplied by 3 . 84 , denotes that 8 is to be divided by 4 . 2 : 34 : 6 , shows that 2 is to 3 as 4 is to 6 . 6 + 4 = 10 , shows that the sum of 6 and 4 is equal to 10 : ✓3 , or 32 , denotes the square root of the number 3 . 3 ✓5 ...
Page 6
... multiplied as in whole numbers , cut off as many places for decimals in the product , counting from the right hand ... Multiply 48.765 by .003609 .003609 438885 292590 146995 Product.175992885 Multiply .121 by .14 484 121 Product ...
... multiplied as in whole numbers , cut off as many places for decimals in the product , counting from the right hand ... Multiply 48.765 by .003609 .003609 438885 292590 146995 Product.175992885 Multiply .121 by .14 484 121 Product ...
Page 7
... Multiply .0089789 by 1085 Product9.7421065 Multiply .248723 by .13587 Product.03379399401 . DIVISION OF DECIMALS . Divide as in whole numbers ; observing that the divisor and quotient together must contain as ma- ny decimal places as ...
... Multiply .0089789 by 1085 Product9.7421065 Multiply .248723 by .13587 Product.03379399401 . DIVISION OF DECIMALS . Divide as in whole numbers ; observing that the divisor and quotient together must contain as ma- ny decimal places as ...
Page 13
... Multiply the given decimal by the number of the next lower denomination , which makes an integer of the present , and point off as many pla- ces at the right hand of the product , for a remain- der , as there are figures in the given ...
... Multiply the given decimal by the number of the next lower denomination , which makes an integer of the present , and point off as many pla- ces at the right hand of the product , for a remain- der , as there are figures in the given ...
Page 14
... multiply the second and third terms together , and divide the product by the first term , and the quotient will be the answer ; -in the same denomination with the third term . EXAMPLES . If 3 acres 3 roods of land can be purchased for ...
... multiply the second and third terms together , and divide the product by the first term , and the quotient will be the answer ; -in the same denomination with the third term . EXAMPLES . If 3 acres 3 roods of land can be purchased for ...
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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.