The Elements of Mining Engineering: Tables and formulasColliery Engineer, 1900 - Mining engineering |
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acid Antimony arsenic assay Barium bead Blowpipe blue Borax brown c. c. of water carbonate Carboniferous charcoal clear glass cleavage closed tube coat cobalt cold Color Colorless cooling Copper Cosine Sine Cosine Cotang Tang Cotang crystals cubic foot diameter Didymium discharge Dissolves drill feet per second find the area flame formula friction fuses glass becomes globule gram gravity gray green heated horsepower infusible Iron length Little to medium Luster Manganese metal multiplied nickel opaque oxide Pale Pillar Potassium pounds per square pressure in pounds quantity R. F. The glass reactions reduced rope salt of phosphorus saturated shaft silicate Sine Cosine Sine Sodium Sodium bicarbonate soluble square inch Streak STRENGTH OF MATERIALS sulphur Tang Cotang Tang Tellurium temperature tion v₁ varies directly velocity violet Vitreous volatil volume W₁ weight weir yellow ΙΟ