A Treatise on Land SurveyingApplewood Books, 8. mars 2012 - 436 sider |
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Resultat 1-5 av 40
Side 17
... marked by a piece of brass , having one , two , three , or four points , corresponding to the number of tens which it marks , counting from the nearest end of the chain . * middle or fiftieth link is marked by a round piece of brass ...
... marked by a piece of brass , having one , two , three , or four points , corresponding to the number of tens which it marks , counting from the nearest end of the chain . * middle or fiftieth link is marked by a round piece of brass ...
Side 18
... marked by small nails . It may be left a little longer than the true length , since it can seldom be stretched so as to be perfectly horizontal and not hang in a curve , or be drawn out in a perfectly straight line . * Distances ...
... marked by small nails . It may be left a little longer than the true length , since it can seldom be stretched so as to be perfectly horizontal and not hang in a curve , or be drawn out in a perfectly straight line . * Distances ...
Side 23
... getting wet , and the correct length marked on it at every ten feet . A " Metallic Tape , " less liable to stretch , has been recently manufactured , in which fine wires form its CHAP . II . ] 223 Making the Measurements .
... getting wet , and the correct length marked on it at every ten feet . A " Metallic Tape , " less liable to stretch , has been recently manufactured , in which fine wires form its CHAP . II . ] 223 Making the Measurements .
Side 24
... marked off with a carpenter's rule , or in a cord knot- ted at the length of every link . A well made rope , ( such as a patent wove line , " woven circularly with the strands always straight in the line of the strain ) , when once well ...
... marked off with a carpenter's rule , or in a cord knot- ted at the length of every link . A well made rope , ( such as a patent wove line , " woven circularly with the strands always straight in the line of the strain ) , when once well ...
Side 33
... marked off from this edge , without requiring to be taken off with the dividers ; or the length of a given line can be at once read off . Box - wood is preferable to ivory as much less liable to warp , or to vary in length with changes ...
... marked off from this edge , without requiring to be taken off with the dividers ; or the length of a given line can be at once read off . Box - wood is preferable to ivory as much less liable to warp , or to vary in length with changes ...
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Vanlige uttrykk og setninger
ABCD acres alidade base line Bearing calculated centre CHAPTER circle compass complete quadrilateral convenient corner cosec course cross-hairs desired desired line determined diagonals difference direction distance divided division draw drawn East equal feet field Field-notes figure fixed gamboge given line given point half horizontal inaccessible inch instrument intersection Latitudes and Departures length line of sight Longitude MAGNETIC BEARING marked measured Meridian method needle North object observed obtained offsets paper parallel pass perpendicular plane plat plate plumb-line preceding precisely prolonged protractor quadrilateral radius reading represent right angles scale screws side similar triangles sine South square chains stake station straight line subtract survey surveyor Table tangent telescope Theodolite Theorem tion township Transit trapezoid Trigonometry true North turn Variation Vernier Vernier scale vertical West whence