The Principles and Practice of Land, Engineering, Trigonometrical, Subteraneous, and Marine Surveying. With an AppendixJohn Ollivier, 1843 - 356 pages |
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added adjusted already base bearing called centre chain chord circle coincide common connecting consequently constructed contained correct course curve decimal described determined difference direction distance divided division draw drawn equal error evident Example extremity feet figure fixed given greater ground half height horizontal inches intersection laid length less limb logarithm manner marked means measured meridian miles minutes multiplied natural necessary needle object observed obtained offset parallel passing perches perpendicular placed plane position practice produced prop proportion quantity radius reading reduced referred remainder represent right angles right line road rods root scale screws side sine square staff stands station surface survey surveyor tables taken tangent telescope triangle true vernier vertical whole zero وو