Surveying, as Practiced by Civil Engineers and Surveyors ...: Intended as a Handbook for Field and Office Use, Also as a Textbook for Students |
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Page iii
... possible , the object kept constantly in view being to make the work a useful text - book of principles and methods for students , as well as a guide to the actual practice of Surveyors and Civil Engineers in the various branches of ...
... possible , the object kept constantly in view being to make the work a useful text - book of principles and methods for students , as well as a guide to the actual practice of Surveyors and Civil Engineers in the various branches of ...
Page 8
... possible to get into the line by setting up two ranging rods so that they range in with the pole at one ex- tremity of the line . Then try if they also range in with the poles at the other extremity of the line . If they do , they are ...
... possible to get into the line by setting up two ranging rods so that they range in with the pole at one ex- tremity of the line . Then try if they also range in with the poles at the other extremity of the line . If they do , they are ...
Page 18
... possible , while avoiding obstruc- tions and unnecessary crossing and recrossing of hedges , & c . Best Form of Triangles . - In laying out the triangles , it may be observed , as a rule , that the longer the chain lines and the fewer ...
... possible , while avoiding obstruc- tions and unnecessary crossing and recrossing of hedges , & c . Best Form of Triangles . - In laying out the triangles , it may be observed , as a rule , that the longer the chain lines and the fewer ...
Page 19
... possible to avoid using angles less than 30 ° either owing to the configuration of the ground or to the limited time at the surveyor's disposal . General Principles to be observed in laying out the Chain Lines . - It may also be ...
... possible to avoid using angles less than 30 ° either owing to the configuration of the ground or to the limited time at the surveyor's disposal . General Principles to be observed in laying out the Chain Lines . - It may also be ...
Page 43
... possible in the same condition as it was previous to the survey . Plotting the Survey : Scales . - Common scales for ordi- nary small chain surveys are 1 chain to 1 in . and 2 chains to 1 in .; 3 , 4 , 5 , 6 , 8 , and 10 chains to 1 in ...
... possible in the same condition as it was previous to the survey . Plotting the Survey : Scales . - Common scales for ordi- nary small chain surveys are 1 chain to 1 in . and 2 chains to 1 in .; 3 , 4 , 5 , 6 , 8 , and 10 chains to 1 in ...
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Common terms and phrases
accuracy accurate adjustment altitude aneroid axis azimuth back sight barometer bench marks bubble tube calculated centre line chain line Chapter clinometer cloth collimation line compass contours correct cross hairs cross sections Crown 8vo curve D. K. CLARK deflection angle difference distance elevation Engineer equal Feet fence field book fixed fore sight formulæ given gradient graduated Greenwich mean ground Handbook height horizontal Illustrations instrument latitude length longitude magnetic bearings mean measured meridian method metres miles millimetres minutes Nautical Almanac object glass observed angle parallel perpendicular plane Plates plotted plumb line position Practical railway ranging rod right ascension scale screws sextant shown in Fig side slope spherical spirit level stadia hairs staff reading star station surface survey surveyor tacheometer Tacheometry taken tangent point tape telescope temperature theodolite traverse Treatise triangle Troughton & Simms tunnel vernier vertical angle wire
Popular passages
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