The analysis of fuel, gas, water, and lubricants . pplication of the formula published by theBureau of Standards; Sp. gr. 60760°F. 140 130 + B° The Westphal balance, Fig. 50,for light and medium oils is recom-mended because it combines ina satisfactory manner both con-venience and accuracy. It isprovided with a beam graduatedby notches into 10 equal the plummet attached inair, the pointer should stand atzero. The heaviest weightplaced on the hook at the end ofthe beam, that is when locatedat what would be equivalent tothe tenth notch, will exactlycounterbalance the plummetwhen suspe
The analysis of fuel, gas, water, and lubricants . pplication of the formula published by theBureau of Standards; Sp. gr. 60760°F. 140 130 + B° The Westphal balance, Fig. 50,for light and medium oils is recom-mended because it combines ina satisfactory manner both con-venience and accuracy. It isprovided with a beam graduatedby notches into 10 equal the plummet attached inair, the pointer should stand atzero. The heaviest weightplaced on the hook at the end ofthe beam, that is when locatedat what would be equivalent tothe tenth notch, will exactlycounterbalance the plummetwhen suspended in distilled waterat 60°F. The pointer shouldswing equal distances above andbelow the zero point or come to a rest at zero when adj usting the balance with the plummet in other three weights are respectively equal to iV, io7 and j-^of the weight of the largest one, hence, their positions on the beamgive readings directly in the four decimal places. In testing a liquidthe plummet should be immersed so that on the upward swing 221. Fig. 50.—Westphal balance. 222 FUEL, GAS, WATER AND LUBRICATION
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectchemist, bookyear1922
