The Practical Miner's Guide: Comprising a Set of Trigonometrical Tables ... Also, a Treatise on the Art and Practice of Assaying Silver, Copper, Lead and Tin, with Tables which Exhibit ... the Value of Assayed Ores: Rules for Calculating the Power of Steam and Water Engines: a Discourse on the Quality, Manufacture, and Choice of Cordage for Mine Service ...Longman, Brown, Green, and Longmans, 1845 - 218 pàgines |
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The Practical Miner's Guide: Comprising a Set of Trigonometrical Tables ... John Budge Visualització completa - 1845 |
The Practical Miner's Guide: Comprising a Set of Trigonometrical Tables John Budge Previsualització no disponible - 2016 |
Frases i termes més freqüents
ACE ACE adit angle opposite Answer assay base and perpendicular Borax calcined capstan centre Comp computation converting table copper course of dialling cross-course cross-cut cross-staff crucible Decimals degrees depth diagonal shaft dialler dialling book diameter distance ditto draft drawing driving duchy of Cornwall dwts east and west error EXAMPLE fath feet 7 inches flux foot given side hand dial horizontal hypothenuse instrument ladle LO LO lode measure method miner mining multiply needle nitre northerly observe operation ounce parallel ruler Pendarves Perp perpendicular perpendicular shaft PLANE sailing protractor proved pump radius right angles rule sample scale show the number silver south of east square standing subtract sunk surface survey Tabular theodolite tion traverse triangle trigono Trigonometrical Results true underground underlay vernier vernier scale weight wheel whole number winze yarns
Passatges populars
Pàgina 131 - Then multiply the second and third terms together, and divide the product by the first term: the quotient will be the fourth term, or answer.
Pàgina iii - PRACTICAL MINER'S GUIDE; Comprising a Set of Trigonometrical Tables adapted to all the purposes of Oblique or Diagonal, Vertical, Horizontal, and Traverse Dialling ; with their application to the Dial, Exercise of Drifts, Lodes, Slides, Levelling, Inaccessible Distances, Heights, &c.