Elements of Surveying and Leveling: With Descriptions of the Instruments, and the Necessary Tables |
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Common terms and phrases
axis azimuth back-sight base-line bench calculated called 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 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 natural sines necessary needle notes offsets paper parallel passing perpendicular plane of reference plane-table plot position prismoid protractor radius reading right angles screws section level side sights Sine D spider's lines station subtract survey taken Tang tangent theodolite Transit survey traverse triangle true meridian vernier plate wwwwwwwww yards