Hinks, Arthur R. (Arthur Robert), 1873-1945 · Cambridge, University press · leaf 150
5. Watkin Clinometer.Instruments for Compass SketcJiing. 6. Interior of Clinometer. COMPASS AND PLANE TABLE SKETCHING 105 local attraction at the first point, it will probably be differentat the second, and the error will be detected. These remarks apply to strictly local attractions, such asare…
Maps · Surveying
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