Fenner's Complete Formulary - Southwest School of Botanical ...
Fenner's Complete Formulary - Southwest School of Botanical ...
Fenner's Complete Formulary - Southwest School of Botanical ...
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The relation <strong>of</strong> weight to fluid measure as above stated is calculated for<br />
distilled water at 15.6° C. (60° F.). The volume <strong>of</strong> water increases or<br />
decreases in a ratio varying with the temperature. At 15.6° C. (60° F.) its<br />
volume is 1.000938, as compared with 1.000000, its volume at its<br />
greatest density 4° C. (39° F.).<br />
To convert the WEIGHTS <strong>of</strong> one system into those <strong>of</strong> another, the<br />
following simple rules may be observed : To convert<br />
Troy to Avoirdupois,—Multiply the weight in tr. ounces by 1.097 for<br />
close,. or by 1.1 for ordinary calculations. The product is the weight in<br />
av.ounces.<br />
Avoirdupois to Troy.—Multiply the weight in av. ounces by 0.911 for<br />
close, or deduct one tenth for ordinary calculations. The product, or<br />
result, is the weight in tr. ounces.<br />
Metric to Grains.—Multiply the weight in grammes by 15.43.<br />
Metric to Troy Ounces.—Multiply the weight in grammes by 0.032.<br />
Metric to Avoirdupois Ounces.—Multiply the weight in grammes by<br />
0.035. In ordinary calculations, 28 1 / 3 grammes are considered equal to 1<br />
ounce.<br />
Grains to Grammes.—Multiply the weight in grains by 2, and divide by<br />
13. The quotient is the weight in grammes.<br />
Troy to Metric.—Multiply the weight in tr.ounces by 31.1. The product is<br />
the weight in metric grammes.<br />
Avoirdupois to Metric.—Multiply the weight in avoirdupois ounces by<br />
28.35. The product is the weight in metric grammes.<br />
To convert the MEASURES <strong>of</strong> one system into those <strong>of</strong> another, the<br />
following simple rules may be observed : To convert<br />
Apothecary to Imperial Fluid Measure.—Multiply the measure in<br />
apothecary fl.ounces by 1.041. The product is the measure in Imperial<br />
fl.ounces.<br />
Fenner’s <strong>Complete</strong> <strong>Formulary</strong> - Part I-II - MISCELLANEOUS FORMULA - Page 7<br />
The <strong>Southwest</strong> <strong>School</strong> <strong>of</strong> <strong>Botanical</strong> Medicine http://www.swsbm.com