Elements of Surveying and Leveling: With Descriptions of the Instruments, and the Necessary Tables |
From inside the book
Results 1-5 of 28
Page 8
... Stakes .. 245-254 Computation of Earthwork . 255-258 SECTION V. MINING ENGINEERING . Definitions and General Notions 259 Traversing - Compass - Miner's Semicircle 260 Field Book . 262 Method of Traversing with the Theodolite . 263 Field ...
... Stakes .. 245-254 Computation of Earthwork . 255-258 SECTION V. MINING ENGINEERING . Definitions and General Notions 259 Traversing - Compass - Miner's Semicircle 260 Field Book . 262 Method of Traversing with the Theodolite . 263 Field ...
Page 61
... stake temporarily placed for the purpose ; or by some one of the many permanent marks by which the angles in a boundary are fixed . The other extremity of the line must be provided with a staff or flag which can be easily seen . The ...
... stake temporarily placed for the purpose ; or by some one of the many permanent marks by which the angles in a boundary are fixed . The other extremity of the line must be provided with a staff or flag which can be easily seen . The ...
Page 65
... stakes be driven in the ground , distant from each other one chain , and let nails be driven in the heads of the stakes to mark the exact length of the standard . Marks made upon the coping of a wall will answer the same purpose . If it ...
... stakes be driven in the ground , distant from each other one chain , and let nails be driven in the heads of the stakes to mark the exact length of the standard . Marks made upon the coping of a wall will answer the same purpose . If it ...
Page 83
... stakes or pins , before AB is measured . IV . To prolong a line beyond an obstacle . 41. Let OA be the line to be prolonged . Lay off OAB = 120 ° , or CAB = 60 ° . Meas- ure AB , of such length as to permit BC to be measured without ...
... stakes or pins , before AB is measured . IV . To prolong a line beyond an obstacle . 41. Let OA be the line to be prolonged . Lay off OAB = 120 ° , or CAB = 60 ° . Meas- ure AB , of such length as to permit BC to be measured without ...
Page 164
... stakes , and in the direc- tion of the pole - star , let a plumb be suspended from the top of an inclined stake or pole . The top of the pole should be of such a height that the pole - star will appear about six inches below it ; and ...
... stakes , and in the direc- tion of the pole - star , let a plumb be suspended from the top of an inclined stake or pole . The top of the pole should be of such a height that the pole - star will appear about six inches below it ; and ...
Other editions - View all
Common terms and phrases
adjusted Applying logarithms axis azimuth back-sight base-line bearing chord clamp-screw column compass corresponding Cosine Cosine D course curve decimal DegDeg degree of curvature degrees determined difference of level divided double meridian distance draw east error example feet field-notes fore-sight given angle given line ground hence horizontal angles horizontal distance horizontal plane inch intersection LatDeg LatDegDeg LatDegDegDegDeg latitude and departure length limb line of collimation locating M.
M. Sine M.
M. Sine D mantissa marked measured method multiplied NOTE offsets parallel passed perpendicular plane of reference plot position prismoid protractor radius reading right angles scale of equal screws secant side sights similar triangles Sine Cotang slope spider's lines stakes station subtract surface survey taken Tang tangent theodolite traverse vernier plate vertical plane yards
Popular passages
Page 56 - ... the square of the hypothenuse is equal to the sum of the squares of the other two sides.
Page 12 - The logarithm of any power of a number is equal to the logarithm of the number multiplied by the exponent of the power.
Page 17 - The minutes in the left-hand column of each page, increasing downwards, belong to the degrees at the top ; and those increasing upwards, in the right.hand column, belong to the degrees below.
Page 37 - 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, etc.
Page 12 - The logarithm of a quotient is equal to the logarithm of the dividend minus the logarithm of the divisor.
Page 10 - When a number lies between 1 and 10, its logarithm lies between 0 and 1; that is, it is equal to 0, plus a decimal; if a number lies between 10...
Page 9 - The logarithm of a number is the exponent of the power to which it is necessary to raise a fixed number, in order to produce the first number.
Page 11 - The logarithm of the product of two numbers is equal to the sum of the logarithms of the numbers.
Page 130 - MC; hence, the double meridian distance of a course is equal to the double meridian distance of the preceding course, plus the departure of that course, plus the departure of the course itself : if .there is no preceding course, the first two terms become zero.
Page 38 - The secant of an arc is the line drawn from the centre of the circle through one extremity of the arc, and limited by the tangent passing through the other extremity. Thus, 00 is the secant of the arc AB.