Royle's manual of materia medica and therapeutics : including the preparations of the British pharmacopoeia and other approved medicines.

  • Royle, J. Forbes (John Forbes), 1798-1858.
Date:
1876
Catalogue details

Licence: Public Domain Mark

Credit: Royle's manual of materia medica and therapeutics : including the preparations of the British pharmacopoeia and other approved medicines. 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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    rule has been followed in the present work, while at the same time the new system is freely used and abundantly illustrated. WEIGHTS AND MEASURES. The initial weight, or grain, is the same in both troy and avoirdu- pois. It must be remembered that troy weight is no longer used in the Pharmacopoeia, though the drachm (3j = 60 grains) and scruple Oi. == 20 grains) are frequently resorted to by prescribers. WEIGHTS. 1 Grain, gr. 1 Ounce, oz. = 437*5 grains. 1 Pound, lb. = ] 6 ounces - 70(X)' „ MEASURES OF CAPACITY. 1 Minim, Min., or 1T\^ 1 Fluid drachm, fl. drm., or f;^ = 60 minims. 1 Fluid ounce, fl. oz., or i^= S fluid drachms. 1 Pint, 0, = 20 fluid ounces. 1 Gallon, C, =8 pints. MEASURES OF LENGTH. 1 Line = ^V inch. 1 Inch := s-u-ii^^s seconds pendulum. 12 Inches = 1 foot. 36 Inches = 3 feet = I yard. Length of pendulum vibrating seconds of mean time in the latitude of London, in a vacuum at the level of the sea, 39*1393 inches. RELATION OF MEASURES TO WEIGHTS. 1 Minim is the measure of 0'91 grs. of water. 1 Fluid drachm „ ,, 54*68 „ 1 Find ounce „ „ 1 ounce, or 437*5 „ 1 Pint „ „ li pound, or 8,750 „ 1 Gallon „ „ 10 pounds, or 70,000 „ WEIGHTS AND MEASURES OF THE METRICAL SYSTEM. WEIGHTS. 1 Milligramme =Tinnrpart of a gramme, or 0*001 gramme. 1 Centigramme = t^d- „ „ 0*01 „ 1 Decigramme = tV „ „ 0*10 , 1 Gramme ^ Weight of cuLic centi- ( metre 01 water at 4 C, 1*0 „ 1 Decagramme = ten grammes, or 10*0 grammes. 1 Hectogramme = a hundred grammes, or 100*0 ,. 1 Kilogramme = a thousand grammes, or 1000*0 „ MEASURES OF CAPACITY. 1 Millilitre = 1 cubic centimetre, or the meas. of 1 gnn. of water, 1 Centilitre = 10 „ „ „ 10 „ 1 Decilitre := 100 „ „ „ 100 „ 1 Litre = 1000 „ „ „ 1000