Elements of Surveying: With a Description of the Instruments and the Necessary Tables, Including a Table of Natural Sines |
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Page 6
... Dividing Land , 888 79 89 CHAPTER IV . Surveying with the Compass , 91 Of the Compass , 92 Feld Notes , 96 Traverse Table , 98 Of Balancing the Work , 100 Of the Double Meridian Distances of the Courses , 102 Of the Area , 104 First ...
... Dividing Land , 888 79 89 CHAPTER IV . Surveying with the Compass , 91 Of the Compass , 92 Feld Notes , 96 Traverse Table , 98 Of Balancing the Work , 100 Of the Double Meridian Distances of the Courses , 102 Of the Area , 104 First ...
Page 8
... divided by another , the logarithm of the quo- tient will be equal to the logarithm of the dividend diminished by that of the divisor . Therefore , the subtraction of logarithms corresponds to the di- vision of their numbers . 4. Let us ...
... divided by another , the logarithm of the quo- tient will be equal to the logarithm of the dividend diminished by that of the divisor . Therefore , the subtraction of logarithms corresponds to the di- vision of their numbers . 4. Let us ...
Page 12
... dividing the numerator by the denominator , its logarithm will be equal to the logarithm of the numerator minus the logarithm of the denominator . Therefore , 3678 log 37 = log 3678 - log 100 = 3.565612-2 = 1.565612 from which we see ...
... dividing the numerator by the denominator , its logarithm will be equal to the logarithm of the numerator minus the logarithm of the denominator . Therefore , 3678 log 37 = log 3678 - log 100 = 3.565612-2 = 1.565612 from which we see ...
Page 23
... dividing a line of a given length into equal portions . If , for example , the line ab of a given length , say one inch , be divided into any number of equal parts , as 10 , the scale thus 2 1.1.2.3.4.5.6.7.8.9 10 a ab , which is divided ...
... dividing a line of a given length into equal portions . If , for example , the line ab of a given length , say one inch , be divided into any number of equal parts , as 10 , the scale thus 2 1.1.2.3.4.5.6.7.8.9 10 a ab , which is divided ...
Page 24
... divided , is called the unit of the scale . This unit is laid off several times on the left of the divided line , and the points marked , 1 , 2 , 3 , & c . The unit of scales of equal parts , is , in general , either an inch , or an ...
... divided , is called the unit of the scale . This unit is laid off several times on the left of the divided line , and the points marked , 1 , 2 , 3 , & c . The unit of scales of equal parts , is , in general , either an inch , or an ...
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Common terms and phrases
adjusted angle of elevation axis azimuth back-sights base line called centre clamp-screw coincide column comp compass Cosine D Cosine Sine Cotang course curve degrees determined difference of level direction divided double meridian distance draw east elongation error example feet field notes figure given angle given line given point ground Gunter's chain hence horizontal angle horizontal distance horizontal plane hypothenuse inches instrument intersection LatDegDegDegDeg Distance latitude and departure length levelling screws line AC line of collimation logarithm M.
M. Sine marked measure method multiplied natural sines needle object paper parallel passing perpendicular plane of reference protractor radius right angles right-angled triangle rods scale of equal secant side sights similar triangles Sine Sine spider's lines square chains staff subtract surface survey Tang tangent theodolite true meridian vernier plate vertical limb yards