Practical Surveying: A Text-book for Students Preparing for Examinations Or for Survey Work in the ColoniesC. Lockwood and Son, 1920 - 358 Seiten |
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Häufige Begriffe und Wortgruppen
A B C accuracy accurately adjusted axis back-sight beam compasses bench-mark centre chain chain-line chord clamp clinometer CO-TANGENTS commencement compass contour lines Cosec Cosine Sine Cosine Crown 8vo curve Demy 8vo distance Dumpy Level equal examination Fcap fence field-book fixed fore-sight ground height horizontal hypotenuse illustration inch instrument intermediate intersection land surveyor length level-book line A B line of collimation logarithm lower plate mark means measured method natural sines necessary observed offsets pencil perpendicular plane plane table plotted plumb-bob position post-and-rail fence practice quadrant qualified surveyor radius reading reduced level right angles scale screw SECANTS sextant shown side sight sin² Sine Cosine Sine slope square staff station straight line survey Tacheometer taken tangent tangential angles telescope theodolite trigonometry tube vernier vertical whilst Wimbledon Park zero دو دو دو