Elements of Surveying and Leveling: With Descriptions of the Instruments, and the Necessary Tables |
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Results 1-5 of 47
Page 33
... determined how many parts of it are to be repre- sented on the paper by a distance equal to the unit of the scale , we find the length which is to be taken from the scale by the following RULE . Divide the length of the line by the ...
... determined how many parts of it are to be repre- sented on the paper by a distance equal to the unit of the scale , we find the length which is to be taken from the scale by the following RULE . Divide the length of the line by the ...
Page 47
... determined . If the three angles only are given , it is plain , that an in- definite number of similar triangles may be constructed , the angles of which may be respectively equal to the angles SEC . III . ] 47 PLANE TRIGONOMETRY ...
... determined . If the three angles only are given , it is plain , that an in- definite number of similar triangles may be constructed , the angles of which may be respectively equal to the angles SEC . III . ] 47 PLANE TRIGONOMETRY ...
Page 48
... determined . Assuming , with this restriction , any three parts of a triangle , as given , one of the four following cases , will always be pre- sented . I. When two angles and a side are given . II . When two sides and an opposite ...
... determined . Assuming , with this restriction , any three parts of a triangle , as given , one of the four following cases , will always be pre- sented . I. When two angles and a side are given . II . When two sides and an opposite ...
Page 72
... determined with great care by the maker , and fixed permanently . First , the axis of the instrument is placed exactly at right angles with the limb and vernier plate ; and unless it have this position , the vernier plate will not ...
... determined with great care by the maker , and fixed permanently . First , the axis of the instrument is placed exactly at right angles with the limb and vernier plate ; and unless it have this position , the vernier plate will not ...
Page 77
... determined the index error , let the axis of the telescope be directed to any point either above or below the plane of the limb , and read the arc indicated by the 0 of the vernier . To the arc so read , apply the proper correction , if ...
... determined the index error , let the axis of the telescope be directed to any point either above or below the plane of the limb , and read the arc indicated by the 0 of the vernier . To the arc so read , apply the proper correction , if ...
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Common terms and phrases
axis azimuth back-sight base-line bench calculated centre cut chord column compass contour lines corresponding Cosine Cosine D course curve datum line decimal degree of curvature DEGREES determined difference of level direct the telescope divided double meridian distance draw drawn east elongation error example feet field-notes fore-sight ground height of instrument hence horizontal distance horizontal plane inches intersection latitude and departure length line of collimation mantissa marked measured method multiplied needle notes offsets paper parallel passing perpendicular plane of reference plane-table plot position prismoid protractor radius reading right angles screws secant section level side sights Sine Cotang Sine D slope stake spider's lines station subtract survey taken Tang tangent theodolite Transit survey traverse triangle true meridian vernier plate wwwwwwwww yards