Elements of Surveying with a Description of the Instruments and the Necessary Tables Including a Table of Natural Sines |
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Page 3
... manner , so as to render the higher branches of plane - survey- ing comparatively easy ... All the instruments needed for plotting have been carefully described ; and the uses of those required for the measurement of angles are fully ...
... manner , so as to render the higher branches of plane - survey- ing comparatively easy ... All the instruments needed for plotting have been carefully described ; and the uses of those required for the measurement of angles are fully ...
Page 4
... manners , have placed his por- trait in the public library , that the institution might possess an enduring memorial of one of its brightest ornaments and distinguished benefactors . Military Academy , West Point , 1835 . OLY CONTENTS ...
... manners , have placed his por- trait in the public library , that the institution might possess an enduring memorial of one of its brightest ornaments and distinguished benefactors . Military Academy , West Point , 1835 . OLY CONTENTS ...
Page 6
... Manner of Using the Compass , Of the Circular Protractor , 159 159 163 165 First Method of Plotting , 166 Second Method of Plotting , 167 INTRODUCTION . CHAPTER I. Of Logarithms . 1. The nature Surveying a Harbour for the purpose of ...
... Manner of Using the Compass , Of the Circular Protractor , 159 159 163 165 First Method of Plotting , 166 Second Method of Plotting , 167 INTRODUCTION . CHAPTER I. Of Logarithms . 1. The nature Surveying a Harbour for the purpose of ...
Page 31
... manner of laying down a line upon paper , in such a manner that a given num- ber of parts shall correspond to the unit of the scale , whether that unit be an inch or any part of an inch . When the length of the line to be laid down is ...
... manner of laying down a line upon paper , in such a manner that a given num- ber of parts shall correspond to the unit of the scale , whether that unit be an inch or any part of an inch . When the length of the line to be laid down is ...
Page 38
... manner . Opening the table at any page , as 42 , the sine of 24 ° is found to be 9.609313 ; that of 24 ° 01 ' , 9.609597 : their dif- ference is 284 ; this being divided by 60 , the number of seconds in a minute , gives 4.73 , which is ...
... manner . Opening the table at any page , as 42 , the sine of 24 ° is found to be 9.609313 ; that of 24 ° 01 ' , 9.609597 : their dif- ference is 284 ; this being divided by 60 , the number of seconds in a minute , gives 4.73 , which is ...
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