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

### From inside the book

Page 10

... Reduce to a decimal fraction . а 4 ) 3.00 .75 = decimal required . For å of one

... Reduce to a decimal fraction . а 4 ) 3.00 .75 = decimal required . For å of one

**acre**, mile , yard , or any thing , is equal to 1 of 3**acres**, miles , yards , & c . there25 fore if 3 be divided by 4 , the quotient 10 DECIMAL FRACTIONS . Page 14

... in the same denomination with the third term . EXAMIPLES . If 3

... in the same denomination with the third term . EXAMIPLES . If 3

**acres**3 roods of land can be purchased for 93 dollars 60 cts . how much will 15**acres**1 rood cost at that rate ? 3 acs . 3 rds . 375**acres**. 15 14 DECIMAL FRACTIONS . Page 15

375

375

**acres**. 15 acs . I rd = 15.25**acres**. 893 , 60 cts . = 8 93.60 Then 3.75 : 15.25 : : 93.60 : 15.25 468 00 18720 46800 9360 $ ! 3.75 ) 1427.4000 ( 380,64 = Answer . 1125 3024 3000 2400 2250 1500 1500 If a clock gain 14 seconds in 5 ... Page 201

... the product will be the content in perches ; and because 160 perches make an

... the product will be the content in perches ; and because 160 perches make an

**acre**, it must thence follow ... or content in perches ; being divided by 160 , will give the content in**acres**; the remaining perches , if more than 40 ... Page 202

**acre**; or which is the same thing , that 160 square perches make an**acre**, as before . 5 2. A square four - pole chain ( that is , a piece of ... Chữ L Let ABCD be a square field , whose side is 14 29 , required the content in**acres**.### 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 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 quantity 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 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.