The book Plane Surveying; a Text-Book And Pocket Manual was written by author John C John Clayton Tracy Here you can read free online of Plane Surveying; a Text-Book And Pocket Manual book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Plane Surveying; a Text-Book And Pocket Manual a good or bad book?
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(Art. 301 (a).) Many surveyors prefer to skip every other line in entering notes, thus affording more room for corrections and for the descriptions of stations on the right-hand page. By comparing these notes with the arithmetical work on page 238, Art. 299 (d), the method of working out the different H.I. 8 in the third column and the elevations in the last column will become clear. Thus each B.S. is added to the elevation recorded on the same horizontal line to get the H.I. from which THEORY ...241 the elevations are figured for all succeeding stations up to and including the next turning-point. This form is more compact than the preceding form and is, perhaps, the one most often used. For profile levehng Form C given below is in many respects a better form. Form C for Level Notes. Form D for Level Notes. B.8. T.P. H.I. F.S. El. Sta. 3.0 100.0 103.0 A 5.0 101.0 106.0 2.0 B 2.0 104.0 C 3.0 103.0 D 1.0 106.0 E 5.0 99.0 104.0 7.0 F 2.0 102.0 G Sta. B.S. F.S. Dif. EL CJheck. A B C D E F G 3.0 6.0 5.0 2.0 2.0 3.0 1.0 7.0 2.0 + 1.0 + 3.0 -1.0 + 2.0 -6.0 + 3.0 100.0 101.0 104.0 103.0 105.0 99.0 102.0 3.0 2.0 + 1.0 100.0 101.0 5.0 7.0 -2.0 101.0 99.0 (d) Comments on Form C.
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