Elements of Surveying with a Description of the Instruments and the Necessary Tables Including a Table of Natural Sines |
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Page 5
... Equal Parts , Semicircular Protractor , Diagonal Scale of Equal Parts , Scale of Chords , Sectoral Scale of Equal Parts , Gunter's Scale , • Solution of Problems , គ គ គ គ គ គ គ គ គ គ 22 22 23 24 25 26 27 28 29 · CHAPTER IV ...
... Equal Parts , Semicircular Protractor , Diagonal Scale of Equal Parts , Scale of Chords , Sectoral Scale of Equal Parts , Gunter's Scale , • Solution of Problems , គ គ គ គ គ គ គ គ គ គ 22 22 23 24 25 26 27 28 29 · CHAPTER IV ...
Page 8
... equal to the logarithm of their product . Therefore , the addition of logarithms corresponds to the mul tiplication of their numbers . 3. If we divide the equations by each other , member by member , we have , am an M N ' but since a is ...
... equal to the logarithm of their product . Therefore , the addition of logarithms corresponds to the mul tiplication of their numbers . 3. If we divide the equations by each other , member by member , we have , am an M N ' but since a is ...
Page 12
... equal to the quotient obtained by dividing the numerator by the denominator , its logarithm will be equal to the logarithm of the numerator minus the logarithm of the denominator . Therefore , log log 3678 - log 100 = 3.565612-2 ...
... equal to the quotient obtained by dividing the numerator by the denominator , its logarithm will be equal to the logarithm of the numerator minus the logarithm of the denominator . Therefore , log log 3678 - log 100 = 3.565612-2 ...
Page 19
... equal to each other , each of these angles is called a right angle ; and the line AB is said to be perpendicular to ... equal ; an isosceles triangle , one which has two of its sides equal ; a scalene triangle , one which has its three ...
... equal to each other , each of these angles is called a right angle ; and the line AB is said to be perpendicular to ... equal ; an isosceles triangle , one which has two of its sides equal ; a scalene triangle , one which has its three ...
Page 20
... equal , and its angles right angles . The rectangle , which has its angles right angles , without having its sides equal . The parallelogram , or rhomboid , which has its opposite sides parallel . The rhombus , or lozenge , which has ...
... equal , and its angles right angles . The rectangle , which has its angles right angles , without having its sides equal . The parallelogram , or rhomboid , which has its opposite sides parallel . The rhombus , or lozenge , which has ...
Common terms and phrases
acres 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 decimal 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 half hence horizontal angle horizontal distance horizontal plane hypothenuse inches instrument intersection 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 piece of land pins plane of reference protractor radius right angles right-angled triangle rods scale of equal secant side similar triangles spider's lines square chains staff subtract surface survey Tang tangent theodolite true meridian vernier plate vertical limb yards