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 22
الصفحة 55
... rodman , and the speed was from 2500 to 4000 linear feet per day , actually locating four 10 - foot contours and sketching in five or six more , a total of 100 feet vertical interval , and interpolating the 2 - foot contours . Where ...
... rodman , and the speed was from 2500 to 4000 linear feet per day , actually locating four 10 - foot contours and sketching in five or six more , a total of 100 feet vertical interval , and interpolating the 2 - foot contours . Where ...
الصفحة 201
... rodman or a stake or sapling with a piece of cloth or paper on it as a back - flag at A. Setting up now at this first fore- sight station , B , and carefully plumbing over it , he orients by placing the alidade on the line just drawn ...
... rodman or a stake or sapling with a piece of cloth or paper on it as a back - flag at A. Setting up now at this first fore- sight station , B , and carefully plumbing over it , he orients by placing the alidade on the line just drawn ...
الصفحة 243
... rodman be mounted or ride a wheel , and the instrumentman ride or drive . On the Mexican survey above cited as many as 16 miles a day were often made , including the determination of height and the sketching of topography . Under ...
... rodman be mounted or ride a wheel , and the instrumentman ride or drive . On the Mexican survey above cited as many as 16 miles a day were often made , including the determination of height and the sketching of topography . Under ...
الصفحة 247
... rodman to see the telescope at a long distance or great angle ; and ( 3 ) because the formulas for computing the horizontal and vertical co- ordinates are more simple when the rod is held vertical than when it is held perpendicular to ...
... rodman to see the telescope at a long distance or great angle ; and ( 3 ) because the formulas for computing the horizontal and vertical co- ordinates are more simple when the rod is held vertical than when it is held perpendicular to ...
الصفحة 280
... the following order : The rodman sets his rod at the desired point ; the instru- mentman brings the middle wire upon the zero point of the WAGNER - FENNEL TACHYMETER . 281 rod , reads the 280 ANGULAR TACHYMETRY . Wagner-Fennel Tachymeter.
... the following order : The rodman sets his rod at the desired point ; the instru- mentman brings the middle wire upon the zero point of the WAGNER - FENNEL TACHYMETER . 281 rod , reads the 280 ANGULAR TACHYMETRY . Wagner-Fennel Tachymeter.
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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
الصفحة 917 - Association at net prices subject to an extra charge for postage. All books are bound in cloth unless otherwise stated. AGRICULTURE. Armsby's Manual of Cattle-feeding I2mo, $i 75 Principles of Animal Nutrition 8vo, 4 oo Budd and Hansen's American Horticultural Manual: Part I.
الصفحة 919 - Inspection and Analysis of Food with Special Reference to State Control 8vo, 7 50 Lob's Electrochemistry of Organic Compounds.