The Theory and Practice of Surveying: Containing All the Instructions Requisite for the Skilful Practice of this Art |
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Page 5
... Answer 693.5431 . What is the sum of 4.51 146.071 507 .0006 132. 62.71 507 7.9 and 10712 ? Answer 354.31272 . SUBTRACTION OF DECIMALS . Write the figures of the subtrahend beneath those of the minuend according to the denom na- tion of ...
... Answer 693.5431 . What is the sum of 4.51 146.071 507 .0006 132. 62.71 507 7.9 and 10712 ? Answer 354.31272 . SUBTRACTION OF DECIMALS . Write the figures of the subtrahend beneath those of the minuend according to the denom na- tion of ...
Page 11
... Answer .4 Reduce 12 Reduce_ { Reduce Reduce .48 .1146789 .7777+ .9130434+ Reduce ,,,, and so on to 3 , to their cor- responding decimal fractions ; and in this opera- tion the various modes of interminate decimals . may be easily ...
... Answer .4 Reduce 12 Reduce_ { Reduce Reduce .48 .1146789 .7777+ .9130434+ Reduce ,,,, and so on to 3 , to their cor- responding decimal fractions ; and in this opera- tion the various modes of interminate decimals . may be easily ...
Page 12
... Answer . 72 80 72 | 8 Reduce 5 furlongs 12 perches to the decimal of a mile . 1 mile 5 furlongs 8 40 8 fur . 40 200 vulgar fraction . 320 320 per . 320 ) 200.0 ( .625 decimal sought . 1920 800 640 1600 1600 Reduce 21 minutes 54 seconds ...
... Answer . 72 80 72 | 8 Reduce 5 furlongs 12 perches to the decimal of a mile . 1 mile 5 furlongs 8 40 8 fur . 40 200 vulgar fraction . 320 320 per . 320 ) 200.0 ( .625 decimal sought . 1920 800 640 1600 1600 Reduce 21 minutes 54 seconds ...
Page 14
... answer here is 2 feet 9 lines . What is the value of .084 of a furlong ? per . 1 yd . 2 ft . 11 in . Ans . 3 What is the value of .683 of a degree ? Ans . 40 m . 58 sec . 48 thirds . What is the value of .0053 of a mile ? per . 3 yds ...
... answer here is 2 feet 9 lines . What is the value of .084 of a furlong ? per . 1 yd . 2 ft . 11 in . Ans . 3 What is the value of .683 of a degree ? Ans . 40 m . 58 sec . 48 thirds . What is the value of .0053 of a mile ? per . 3 yds ...
Page 15
... Answer . 1125 3024 3000 2400 2250 1,500 1500 If a clock gain 14 seconds in 5 days 6 hours , low much will it gain in 17 days 15 hours ? Ans . 47 seconds . If 187 dollars 85 cents gain 12 dollars 33 cents interest in a year , at what ...
... Answer . 1125 3024 3000 2400 2250 1,500 1500 If a clock gain 14 seconds in 5 days 6 hours , low much will it gain in 17 days 15 hours ? Ans . 47 seconds . If 187 dollars 85 cents gain 12 dollars 33 cents interest in a year , at what ...
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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.