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 2
... correct reading . A look at the end of the chain or at the 50 - link tablet will always decide the point . Laying out Chain on Ground . -When not in use , the chain is rolled up in a bundle ( see Fig . 2 ) and fastened with a leather ...
... correct reading . A look at the end of the chain or at the 50 - link tablet will always decide the point . Laying out Chain on Ground . -When not in use , the chain is rolled up in a bundle ( see Fig . 2 ) and fastened with a leather ...
Page 8
... correct position being found by trial and error . Use of the Chain .-- The method of chaining a line is as follows : - Having stretched out the chain , the follower holds his end of it at the ranging rod marking the beginning of the ...
... correct position being found by trial and error . Use of the Chain .-- The method of chaining a line is as follows : - Having stretched out the chain , the follower holds his end of it at the ranging rod marking the beginning of the ...
Page 11
... correct standard of length , and its length under the pull proposed to be used in the field and at a given temperature ascertained . The temperature at which its length is correct under the proposed pull is then to be calculated , and ...
... correct standard of length , and its length under the pull proposed to be used in the field and at a given temperature ascertained . The temperature at which its length is correct under the proposed pull is then to be calculated , and ...
Page 49
... correct slopes of various letters . W AMV XY 2 О SVANBY GREAT TURNSTILE OMEN K Fig . 44. - Set Square for Printing . Survey executed with Incorrect Chain . If a survey has been executed with an incorrect chain , then the true length of ...
... correct slopes of various letters . W AMV XY 2 О SVANBY GREAT TURNSTILE OMEN K Fig . 44. - Set Square for Printing . Survey executed with Incorrect Chain . If a survey has been executed with an incorrect chain , then the true length of ...
Page 52
... lines may be drawn geometrically correct with a couple of set squares , but the above method is usually near enough if care and judgment is used . Area of Irregular Strip of Ground . - A convenient 52 SURVEYING WITH THE CHAIN ONLY .
... lines may be drawn geometrically correct with a couple of set squares , but the above method is usually near enough if care and judgment is used . Area of Irregular Strip of Ground . - A convenient 52 SURVEYING WITH THE CHAIN ONLY .
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Surveying, As Practiced by Civil Engineers and Surveyors ...: Intended As a ... John Whitelaw, Jr. No preview available - 2015 |
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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