A Practical Treatise on Mine SurveyingLongmans, Green and Company, 1902 - 414 páginas Lupton's textbook on mine surveying includes the more advanced subjects of trigonometrical plotting, hypsometry, method of finding the true north, metalliferous mine surveying, and photographic surveying. |
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A Practical Treatise on Mine Surveying (Classic Reprint) Arnold Lupton Sin vista previa disponible - 2017 |
Términos y frases comunes
accuracy accurate acre alidade altitude ascertained B.Sc back sight barometer base-line bearing bore-hole calculated centre chain CHEMISTRY clamped clinometer clinostat coal Colliery Coloured column compass correct cosine cross-hairs Crown 8vo curve D.Sc Diagrams dial direction distance ELEMENTARY Engineers equal error feet figure fixed graduated circle ground height horizontal Illustrations inches inclination instrument lamp latitude length line of sight logarithm longitude magnetic meridian mark means measured method natural sine needle observed offsets ordinary Ordnance Survey paper parallel parallel ruler placed plane plane table Plates plotted plumb-bob pole pole star position protractor radius right angles right ascension scale screw seam shaft shown in Fig side slope square staff station straight line straight-edge surface survey surveyor tacheometer Tacheometry taken tangent telescope temperature theodolite tion triangle tripod tube underground vernier vertical axis wire yards
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Referencias a este libro
Subsidence Resulting from Mining, Tema 91 Lewis Emanuel Young,Harry Harkness Stock Vista completa - 1916 |