Coal and Metal Miners' Pocketbook of Principles, Rules, Formulas, and Tables ... |
Contents
WEIGHTS AND MEASURES | 1 |
CONVERSION Tables Customary to Metric 7 Metric to Customary | 9 |
ARITHMETIC To Cast the Nines Out of a Number 15 To Prove Addition | 15 |
Copyright | |
25 other sections not shown
Other editions - View all
Common terms and phrases
afterdamp airway amount amperes angle anthracite anthracite coal armature bituminous coal boiler bottom brattice breast cage cars chutes circular mils coal column Cosine Sine Cosine Cotang Tang Cotang Cotg cylinder Davy lamp deposit diameter distance drill driven engine equal explosion face feet firedamp formula friction furnace gangway gases given haulage head hoisting hole horizontal horsepower inches inclined iron L.Tang lamp length load logarithm machine marsh gas material method Mexican).-A mineral mines motor multiply pillars pipe plumb-bob pounds pressure pump pyrites quantity radius resistance revolutions per minute rock roof rope safety lamp screen seam shaft side Sine Cosine Sine slope specific gravity speed split square station steam stoping surface Tang Cotang Tang temperature thickness timber track tube usually vein velocity ventilation vertical water gauge weight wire wire rope