Topographical Surveying: Including Geographic, Exploratory, and Military Mapping, with Hints on Camping, Emergency Surgery, and PhotographyJ. Wiley & Sons, 1900 - 910 من الصفحات |
من داخل الكتاب
النتائج 1-5 من 45
الصفحة 10
... ( Chap . IX ) or by traverse ( Chap . X ) , need be nothing better than will assure the plotting of the result without perceptible error and within distances controlled by the nearest secondary tri- angulation points . Finally , minor ...
... ( Chap . IX ) or by traverse ( Chap . X ) , need be nothing better than will assure the plotting of the result without perceptible error and within distances controlled by the nearest secondary tri- angulation points . Finally , minor ...
الصفحة 15
... ( Chap . VI ) . It is only thus that he can make correct generalizations , and thus that he is enabled to decide which detail should be omitted and which preserved in order to bring out the pre- dominant topographic features of the region ...
... ( Chap . VI ) . It is only thus that he can make correct generalizations , and thus that he is enabled to decide which detail should be omitted and which preserved in order to bring out the pre- dominant topographic features of the region ...
الصفحة 20
... ( Chap . X ) supplemented by vertical- angulation ( Chap . XVII ) or spirit levels ( Chap . XV ) for elevations , and these follow the most easy routes of travel , not cross - sectioning the country in the true sense , but follow- ing all ...
... ( Chap . X ) supplemented by vertical- angulation ( Chap . XVII ) or spirit levels ( Chap . XV ) for elevations , and these follow the most easy routes of travel , not cross - sectioning the country in the true sense , but follow- ing all ...
الصفحة 21
... ( Chap . VII ) , which invariably replace the transit ( Art . 85 ) or compass ( Art . 91 ) , so that all surveying is accompanied by mapping at the same time , and there is no tedious and confusing plotting from field- notes to be done ...
... ( Chap . VII ) , which invariably replace the transit ( Art . 85 ) or compass ( Art . 91 ) , so that all surveying is accompanied by mapping at the same time , and there is no tedious and confusing plotting from field- notes to be done ...
الصفحة 22
... ( Chap . XII ) or chain ( Art . 99 ) , these again being gridironed by less accu- rate odometer or paced traverses . Again , a primary system of spirit - leveling ( Chap . XV ) or accurate vertical triangula- tion ( Chap . XVII ) is ...
... ( Chap . XII ) or chain ( Art . 99 ) , these again being gridironed by less accu- rate odometer or paced traverses . Again , a primary system of spirit - leveling ( Chap . XV ) or accurate vertical triangula- tion ( Chap . XVII ) is ...
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طبعات أخرى - عرض جميع المقتطفات
عبارات ومصطلحات مألوفة
accuracy accurate adjustment alidade angulation azimuth backsight base bench-marks cadastral survey canyon chain Chap clamped computed contour interval contour lines cross-hairs determined direction Dist employed erosion error executed exploratory surveys feet foresight geodetic geographic map graphic Hayden survey height horizontal distance inch instrument intersection known points lake land latter length levelman magnetic declination means ment methods miles mountain object observed obtained odometer oriented pacing plane plane-table board plane-table triangulation platted plotted position primary protractor range-finder reconnaissance refraction resulting map ridge river roads rock rodman route scale screw side sight sketching slide-rule slope spirit-leveling square miles stadia stadia measurements stadia-rod station stream summit surface tachymetry tangent target telescope terrane theodolite tion topographic forms topographic map topographic survey transit traverse lines trigonometric TRIGONOMETRIC FUNCTIONS tripod turning-point U. S. Geological Survey vernier vertical angles Wheeler survey
مقاطع مشهورة
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