4872. Black Oils

4872.    Black Oils. Best alcohol, tincture of arnica, British oil, and oil of tar, of each 2 ounces; and slowly add sulphuric acid, 1/2 ounce. Extensively used as a liniment, particularly in cases where there is much inflammation.

4873. Factitious Oil of Spike

4873.    Factitious Oil of Spike. Oil of turpentine, 3 pints; oil of lavender, 1 pint; mix. Used by enamelers to mix their colors in. Or: Oil of turpentine, 1 gallon; Barba-does tar, 4 ounces; alkanet root, 2 ounces; digest a week. Used as a liniment for horses.

4874. Liniment of Cantharides

4874.   Liniment of Cantharides. Powdered Spanish flies, 1 drachm; oil of turpentine, 1 fluid ounce; digest 2 hours and filter. Or: Tincture of cantharides and soap liniment (see No. 4869 (Steer's Opodeldoc, or Soap Liniment)), equal parts; mix. Both the above are irritant and stimulant, but should be used cautiously, lest they produce strangury.

4875. Hydrochloric Acid Liniment

4875.    Hydrochloric Acid Liniment. Take of olive oil, 1/4 Imperial pint; pure spermaceti and camphor, of each 1/2 ounce avoirdupois; balsam of Peru, 1/4 ounce; mix by a gentle heat, add 1/2 fluid ounce hydrochloric acid, and stir until quite cold. An excellent friction for chilblains before they break. The balsam of Peru may be omitted if the cost bo an object.

4876. Compound Chloroform Liniment

4876.      Compound Chloroform Liniment. This is composed of 1 ounce each chloroform, ether, spirit of camphor, and laudanum, and 1/2 ounce tincture of cayenne pepper. For rheumatic pains.

4877. Petroleum Liniment

4877.    Petroleum Liniment. Mix together 1 ounce petroleum, 1/2 ounce camphor, and 1/2 drachm alcohol.

4878. Opium Liniment

4878.    Opium Liniment. Mix 2 ounces laudanum with 6 ounces soap liniment. (See No. 4869 (Steer's Opodeldoc, or Soap Liniment).) It constitutes an excellent soothing application in rheumatism, sprains, and other painful affections.

4879. Belladonna Liniment for Lead Colic

4879.    Belladonna Liniment for Lead Colic. Take 40 grains extract of belladonna, 1 drachm rectified ether, and 2 fluid ounces cherry-laurel water. As a friction to the abdomen in lead colic.

4880. Compound Camphor Liniment, or Essence for Headache

4880.   Compound Camphor Liniment, or Essence for Headache. Take of camphor, 21/2 ounces avoirdupois; oil of lavender,

1  fluid drachm; rectified spirit, 15 fluid ounces ; dissolve, then add of liquor of ammonia (specific gravity .882-.880), 5 fluid ounces, and shake them until mixed. It is powerfully stimulant, rubefacient, and counter-irritant. A piece of folded linen wetted with it applied to the part, and then covered with a towel, and pressed with the hand, or covered with a piece of oiled silk, will generally relieve superficial pains.