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

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To find the Latitude by the

To find the Latitude by the

**Meridian**AlSect . 1. The Chain 134 titude of the Sun 316 The Circumferentor 152 4. Variation of the Com . The Theodolite 159 pass 318 The Semicircle 164 Mensuration of AnLIST OF TABLES . gles by these ... Page

To find the Latitude by the

To find the Latitude by the

**Meridian**AlSect . 1. The Chain 134 titude of the Sun 316 The Circumferentor 152 4. Variation of the Com . The Theodolite 159 pass 318 The Semicircle 164 Mensuration of AnLIST OF TABLES . gles by these In ... Page 134

... which is 6 yards ; that of church - land measure , which is 17 yards , and the forest measure perch , which is 8 yards . For the more ready reckoning the links of a four ( 134 ) PART II To find the Latitude by the

... which is 6 yards ; that of church - land measure , which is 17 yards , and the forest measure perch , which is 8 yards . For the more ready reckoning the links of a four ( 134 ) PART II To find the Latitude by the

**Meridian**The Chain ... Page 159

In the middle is fixed a circumferentor , with a needle ; but this is of little or no use , except in finding a

In the middle is fixed a circumferentor , with a needle ; but this is of little or no use , except in finding a

**meridian**line , or the proper situation of the land . 1 Over the brass circle is a pair of sights , fixed to a moveable ... Page 161

To take the bearing of each respective line from the

To take the bearing of each respective line from the

**meridian**; or to perform the office of the circumferentor , or quar . tered compass by the theodolite . Set your instrument at the first station , and lay the index to 3609 and ...### 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.