## The Theory and Practice of Surveying: Containing All the Instructions Requisite for the Skilful Practice of this Art |

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Page 2

The numerator , in the vulgar form , is always written over the denominator , and these are separated by a small line thus } , or 8 ; the first of these is called three - fourths , and the latter five - eighths of an

The numerator , in the vulgar form , is always written over the denominator , and these are separated by a small line thus } , or 8 ; the first of these is called three - fourths , and the latter five - eighths of an

**inch**, yard , & c ... Page 11

EXAMPLES . Reduce 9

EXAMPLES . Reduce 9

**inches**to the Decimal of a foot . The foot being equal to 12**inches**, the vulgar DECIMAL FRACTIONS . il. Page 12

The foot being equal to 12

The foot being equal to 12

**inches**, the vulgar fraction will be ; then 12 ) 9.00 .75 = decimal frac[ tion required . Reduce 8**inches**to the decimal of a yard . 8**inches**, 1 yard x 3 x 12 = 36**inches**. 36 ) 8.01.22+ = Answer . Page 14

2.0625 12 = number of

2.0625 12 = number of

**inches**[ in a foot . .7500 12 = number of lines in [ an**inch**. 9.0000 The answer here is 2 feet 9 lines . What is the value of .084 of a furlong ? Ans . 3 per . I yd . 2 ft . 11 in . What is the value of 683 of a ... Page 75

Large collections are called , magazine cases of instruments ; these generally contain A pair of six

Large collections are called , magazine cases of instruments ; these generally contain A pair of six

**inch**compasses with a moveable leg , an ink point , a dotting point , the crayon point , so contrived as to hold a whole pencil ...### What people are saying - Write a review

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### Common terms and phrases

acres altitude angle Answer arch base bearing called centre chains chord circle Co-sec Co-sine Co-tang column compasses contained decimal degrees Dep Lat difference direct Dist distance divided divisions draw drawn east edge equal EXAMPLE extended feet figures fixed four fourth give given glass greater ground half hand height Hence Horizon inches laid land Lat Dep latitude length less logarithm manner marked measure meridian method minutes multiplied natural object observed opposite parallel perches perpendicular plane pole PROB proportion Quadrant quotient radius reduce remainder right angles right line root rule scale Secant sect side sights sine square station Sun's suppose survey taken Tang tangent theo third triangle true whole

### 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 199 - 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.