A Manual for Practical Surveyors: Containing Methods Indispensably Necessary for Actual Field Operations |
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Containing Methods Indispensably Necessary for Actual Field Operations E. W. Beans. THE SURVEYOR'S COMPANION . A Manual for Practical Surveyors , CONTAINING METHODS INDISPENSABLY NECESSARY Front Cover.
Containing Methods Indispensably Necessary for Actual Field Operations E. W. Beans. THE SURVEYOR'S COMPANION . A Manual for Practical Surveyors , CONTAINING METHODS INDISPENSABLY NECESSARY Front Cover.
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Containing Methods Indispensably Necessary for Actual Field Operations E. W. Beans. A Manual for Practical Surveyors , CONTAINING METHODS INDISPENSABLY NECESSARY FOR ACTUAL FIELD OPERATIONS , BY E. W. BEANS , Norristown , Montgomery Co ...
Containing Methods Indispensably Necessary for Actual Field Operations E. W. Beans. A Manual for Practical Surveyors , CONTAINING METHODS INDISPENSABLY NECESSARY FOR ACTUAL FIELD OPERATIONS , BY E. W. BEANS , Norristown , Montgomery Co ...
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Containing Methods Indispensably Necessary for Actual Field Operations E. W. Beans. Entered according to the Act of Congress , in the year 1854 , by JOHN W. MOORE , in the Office of the Clerk of the District Court of the Eastern District ...
Containing Methods Indispensably Necessary for Actual Field Operations E. W. Beans. Entered according to the Act of Congress , in the year 1854 , by JOHN W. MOORE , in the Office of the Clerk of the District Court of the Eastern District ...
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Containing Methods Indispensably Necessary for Actual Field Operations E. W. Beans. PREFACE . THE want of a work on Practical Survey- ing has been long felt , and is generally ac- knowledged . The numerous publications on surveying would ...
Containing Methods Indispensably Necessary for Actual Field Operations E. W. Beans. PREFACE . THE want of a work on Practical Survey- ing has been long felt , and is generally ac- knowledged . The numerous publications on surveying would ...
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Containing Methods Indispensably Necessary for Actual Field Operations E. W. Beans. have been extensively engaged in land sur- veying , and I have not in a single instance met with any one who has not expressed his unqualified conviction ...
Containing Methods Indispensably Necessary for Actual Field Operations E. W. Beans. have been extensively engaged in land sur- veying , and I have not in a single instance met with any one who has not expressed his unqualified conviction ...
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Common terms and phrases
40 perches A E produced angles of deflection angular point back sight bearing of A B bring the sights bring the telescope centre pin circumferenter clamp the lower closing line correction course degrees difference of variation distance A C equal F B G feet Given A B internal angles kerfs last station let the needle line A B line C D line joining lines of survey lower plate magnetic magnetic bearings marked tree n¹ m¹ n³ m³ nier nonius compass nonius plate parallel perpendicular distance Place the instrument present bearing PROPOSITION quired random line right angles right line run a line run the line Set the instrument set the vernier sights to bear subtracted surveyor tance tang telescope to bear tion trapezoid traverse table tripod true bearing true line unclamp vernier to zero
Popular passages
Page 80 - All the interior angles of any rectilineal figure, together with four right angles, are equal to twice as many right angles as the figure has sides.
Page 17 - ... more than half through its thickness, and intersecting each other at right angles at the centre of the block...
Page 58 - A line which is to be established from the course only, should be re-run at nearly the same season...
Page 58 - It must, therefore, be a matter of uncertainty 'whether we have the correct bearing of the line, even when the change for years has been ascertained with the utmost care.
Page 57 - The variation of the magnetic needle in declination, is subject to much irregularity, in some instances increasing, in other decreasing, and some years having scarcely a perceptible motion.