The Theory and Practice of Surveying: Containing All the Instructions Requisite for the Skilful Practice of this Art |
From inside the book
Results 1-5 of 35
Page 1
... surveys ; and fourthly , to the calculation of its area , or super- ficial content . When this art is employed in ... Survey- ing , therefore , requires an intimate acquaintance with the several parts of the Mathematics , which are ...
... surveys ; and fourthly , to the calculation of its area , or super- ficial content . When this art is employed in ... Survey- ing , therefore , requires an intimate acquaintance with the several parts of the Mathematics , which are ...
Page 135
... surveys arise from bad chaining , that is , from straying out of the right line , as well as from other omissions of ... survey , in a grest measure , de- pends on his care and skill . In setting out to measure any stationary distance ...
... surveys arise from bad chaining , that is , from straying out of the right line , as well as from other omissions of ... survey , in a grest measure , de- pends on his care and skill . In setting out to measure any stationary distance ...
Page 136
... surveys arise from bad chaining , that is , from straying out of the right line , as well as from other omissions of ... survey , in a grest measure , de- pends on his care and skill . In setting out to measure any stationary distance ...
... surveys arise from bad chaining , that is , from straying out of the right line , as well as from other omissions of ... survey , in a grest measure , de- pends on his care and skill . In setting out to measure any stationary distance ...
Page 140
... surveys are taken by a four - pole , and others by a two - pole chain ; and as ground for houses is measured by feet , we , will shew how to re- duce one to the other , in the following problems . PROB . I. To reduce two - pole chains ...
... surveys are taken by a four - pole , and others by a two - pole chain ; and as ground for houses is measured by feet , we , will shew how to re- duce one to the other , in the following problems . PROB . I. To reduce two - pole chains ...
Page 145
... Survey by the CHAIN only . PROB . I. To survey a piece of ground , by going round it , and the me- thod of taking the angles of the field , by the chain only . PL . 6. fig . 6 . Let ABCDEFG be a piece of ground to be sur- veyed ...
... Survey by the CHAIN only . PROB . I. To survey a piece of ground , by going round it , and the me- thod of taking the angles of the field , by the chain only . PL . 6. fig . 6 . Let ABCDEFG be a piece of ground to be sur- veyed ...
Other editions - View all
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.