The prescription : therapeutically, pharmaceutically, and grammatically considered / by Otto A. Wall.

  • Otto Augustus Wall
Date:
1888
Catalogue details

Licence: Public Domain Mark

Credit: The prescription : therapeutically, pharmaceutically, and grammatically considered / by Otto A. Wall. Source: Wellcome Collection.

Provider: This material has been provided by the Francis A. Countway Library of Medicine, through the Medical Heritage Library. The original may be consulted at the Francis A. Countway Library of Medicine, Harvard Medical School.

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    The signs used in prescriptions and formulae are as follows: Minim, IT], Fluidram, fj. Fluidounce, f 5 . Pint, O. Gallon, Cong, or C. The minim (minimum, i, n., the smallest part), is used for measur- ing small quantities of liquids. The sign, tVLj is merely the initial letter of the word. The sign for the fluidram (fluidrachma, ce, f., '' the measure of a dram of water) is simply the sign of the dram, with the letter f (fluid) prefixed, f^. In English formulae it is often written ''fl. dr. The sign for fluidounce (fliiiduncia, ce, f., the measure of an ounce of water) is the sign of the ounce with an ''f (fluid) pre- fixed. In English formulae it is often written fl. oz. The pint is not used in prescriptions, though it is sometimes used in formulas. The sign, O, is an abbreviation of the Latin name octa- rius, a, m., meaning an eighth part, referring to the fact that it is the eighth part of a gallon. This measure is of modern origin, and was not used by the ancients. In English formulae it is customary to write '^pt. The gallon is rarely used in prescriptions or formulas. The sign Co7ig. or C. is an abbreviation of congius, ii, m., the gallon, which, an- ciently, was the eighth part of the amphora {amphora, 02, f., a pitcher or jug, from the Greek a}icpi-q)£pGD^ carry). The word congius is de- rived from the Latin word concha, ce, f. (Gr. /coyxoi), the mussle- shell, or conch, which was used as a drinking vessel. In English for- mulaswe write gal., or gall. Linear Measure. The only measures of length, except metric measures, which are used in prescriptions are the line, inch, and foot, and occasionally the yard. Table of Linear Measure. 12 lines = 1 inch. 12 inches == 1 foot. 3 feet = 1 yard. The signs are as follows: Line, ' Inch, or in. Foot, ' or ft. Yard, yd. The line and inch are sometimes used in designating the sizes of