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" ... are truly taken and performed ; if not, an error must have been committed in one of them : in such cases, make a second protraction ; if this agrees with the former, it is to be presumed the fault is in the field work ; a re-survey must then be taken. "
A System of Geometry and Trigonometry: With a Treatise on Surveying; in ... - Page 50
de Abel Flint - 1835 - 334 pages
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A System of Geometry and Trigonometry: Together with a Treatise on Surveying ...

Abel Flint - 1804 - 216 pages
...exactly on the Point from which you began, the Course also being right, the Field work and protraction are truly taken and performed ; if not, an error must...to be presumed the fault is in the Field work ; a re- survey must then be taken. EXAMPLE I. FIELD BOOK. See PLATE II. Fig. 53. * A Compass may be so...
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A Treatise of Practical Surveying: Which is Demonstrated from Its First ...

Robert Gibson - 1806 - 484 pages
...the end of the last station falls exactly in the point you began at, the fieldwork and protraction are truly taken and performed, if not, an error must have been committed in one of them : in such case make a second protraction : if this agrees with the former, and neither meet nor close, the fault...
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A System of Geometry and Trigonometry: Together with a Treatise on Surveying ...

Abel Flint - 1808 - 190 pages
...exactly on the Point from which you began, the Course also being right, the Field work and protraction are truly taken and performed ; if not, an error must...in the Field work ; a re-survey must then be taken. EXAMPLE I. FIELD BOOK. See PLATE H. Fig. 53. * A Compass may be so constructed \riih two Indexes, «ne...
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A Treatise of Practical Surveying, ...

Robert Gibson - 1808 - 488 pages
...the end of the last station falls exactly in the point you began at, the fieldwork and protraction are truly taken, and performed ; if not, an error must have been committed in one of them ; in such case make a second protraction ; if this agrees with the former, and neither meet or close, the fault...
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The Theory and Practice of Surveying: Containing All the Instructions ...

Robert Gibson - 1811 - 592 pages
...the end of the last station falls exactly in the point you began at, the fieldwork and protraction are truly taken, and performed ; if not, an error must have been committed in one of them : in such case make a second protraction ; if this agrees with the former, and neither meet nor close, the fault...
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A System of Geometry and Trigonometry: Together with a Treatise on Surveying ...

Abel Flint - 1813 - 212 pages
...exactly on the Point from which you began, the Course also being right, the Field work and protraction are truly taken and performed; if not, an error must...is to be presumed the fault is in, the Field work; # re-survey must then be taken, EXAMPLE I. FIELD BOOK. See PLATE II. Fig. S3. * A Compass may be so...
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The Theory and Practice of Surveying: Containing All the Instructions ...

Robert Gibson - 1814 - 562 pages
...the end of the last station falls exactly in the point you began at, the fieldwork and protraction are truly taken, and performed ; if not, an error must have been committed in one of them : in such case make a second protraction; if this agrees with the former, and neither meet nor close, the fault...
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A System of Geometry and Trigonometry: Together with a Treatise on Surveying ...

Abel Flint - 1818 - 184 pages
...exactly on the Point from which you began, the Course also being right, the Field work and protraction are truly taken and performed ; if not, an error must...cases make a second protraction ; if this agrees with ihe former, it is to be presumed the fault is in the Field work ; a re-survey must then be taken. EXAMPLE...
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A Treatise on Practical Surveying: Which is Demonstrated from Its First ...

Robert Gibson - 1818 - 500 pages
...the end of the last station falls exactly in the point you began at, the field-work and protraction are truly taken, and performed ; if not, an error must have been committed in one of them ; in such case make a second protraction : if this agrees with the former, and neither meet or close, the fault...
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The Theory and Practice of Surveying: Containing All the Instructions ...

Robert Gibson - 1821 - 592 pages
...falls exactly in the point you began at, the fieldAvork and protraction are truly taken.and peiformed ; if not, an error must have been committed in one of them.: in such case make a second protraction; if this agrees with the former, and neither meet nor close, the fault...
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