Practical Surveying and Elementary Geodesy: Including Land Surveying, Levelling, Contouring, Compass Traversing, Theodolite Work, Town Surveying, Engineering Field Work and Setting Out Railway Curves, with Notes on Plane Tabling, Astronomical Surveying and HeliographingMacmillan and Company, limited, 1913 - 276 σελίδες |
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Άλλες εκδόσεις - Προβολή όλων
Practical Surveying and Elementary Geodesy: Including Land Surveying ... Henry Adams Πλήρης προβολή - 1913 |
Practical Surveying and Elementary Geodesy, Including Land Surveying ... Henry Adams Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2018 |
Practical Surveying and Elementary Geodesy, Including Land Surveying ... Henry Adams Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2018 |
Συχνά εμφανιζόμενοι όροι και φράσεις
accuracy acres adjustment Admiralty Assist back sight base line bearing bench mark boundary Brisbane bubble chain line chain survey chord City Lond Coll collimation column construction contour lines cross curvature degrees Describe difference direction distance divisions dumpy level Eastern Cadets equal error Explain feet fence field notes field-book fore sight give given Gunter's chain hedge height horizontal inch Inst instrument intersection latitude length level book longitude magnetic measured meridian method mile observed offsets ordinary Ordnance datum Ordnance Survey P.W.D. India parallax perpendicular plane table pole star position practice QUESTIONS ON CHAPTER radius rail reading reduced road roods and perches scale screws sextant shown in Fig shows side sketch slope spirit level staff station poles straight line Surv surveyor taken tangent tape telescope theodolite town survey trapezium traverse triangle vernier vernier scale vertical wire
Δημοφιλή αποσπάσματα
Σελίδα 3 - At a given point in a given straight line, to erect a perpendicular to that line. Let AB be the given line and C the given point.
Σελίδα 90 - And the ordinary usage is to be observed with regard to placing the north towards the top of the plan ; writing the name of the parish as a title, with that of the county in which it is situated ; and adding the name and address of the surveyor, the date of performance, the scale and the total contents.
Σελίδα 91 - ... in red ink, and marked with a reference to the number of the line in the field-books, or to the page of the book in which the notes of the measurement are entered ; thus, L 1, L 2, L 3, &c., if referring to the lines, or P 1, P 2, P 3, &c., when referring to the pages. And when several field-books are used, each book should have a distinctive letter assigned to it, which may be added to the reference upon the plan after the number referring to the line or page ; thus, L 1, A ; P 1, B, &c.
Σελίδα 93 - The fields in which the angular points of the triangle occur are to be wholly surveyed, or enough of their boundaries ascertained to determine precisely the position of those points on the map. " The field notes are to be kept in ink in the field, and any alterations which are required to be made in them are to be attested by the initials of the surveyor, and an explanation of the cause of the alteration is to be entered.
Σελίδα 92 - When alterations are made in the field-books, an explanation of the cause of the alteration is to be entered at the same time ; and erasures in the field-books should on no account be made.
Σελίδα 92 - ... that four parcels of land, the house and the pond are all included in the quantity assigned to No. 47. " Where the whole breadth, or any portion of a road, stream, &c., is included with the adjoining field, the brace must also be used; and where only part of the road, stream, &c., is included, the exact limit to which the quantity applies must be marked with a dotted line on the plan. See No. 48, in the annexed sketch; of which the quantity is thus — shown to include the whole breadth of the...
Σελίδα 134 - It is the level of the lower edge of a stone fixed in the face of the river wall upon the east side of the Hermitage entrance to the London Docks.
Σελίδα 91 - Each separate parcel of land is to be numbered upon the plan, the numbers following in succession from No. 1 to the highest number required. These numbers are to correspond with those given in the reference book, in which must be specified the name and description of each field or enclosure, with its true quantity or contents in statute measure, the names...