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Medicinally it is used for muscular relaxations, and to strengthenweakness of the joints, by supporting the parts mechanically.

Emplastrum Prcis Buroundic^e. Burgundy Pitch Plaster. TakeIfeij of Burgundy pitch, Ibj of labdanum, ^iv each of yellow resinand yellow wax, 5J of olive oil. Mix, and make a plaster. It isstimulant and strengthening.

Emplastrum Picis Compositum. L. Compound Pitch Plaster. Ce-phalic Plaster. Take ftij of dry pitch, ftj of resin of the spruce fir,Jiv each of yellow resin and yellow wax, §j of expressed oil of nut-meg ; melt together the pitch, wax, and resin, add the other ingre-dients, and mix.Medicinally it is applied to the chest and between the shoulder?, as astimulant in chronic catarrh, and to the temples, &c, for head-ache.

Emplastrum Plumbi. L. E. D. Diachylon or Litharge Plaster.

Take Ibv of the semivitreous oxide of lead in very fine powder, one

gallon of olive oil, Oij of water ; boil these together over a slow

fire, stirring it constantly, till the oil and the oxide of lead cohere.

Medicinally it is chiefly used as the basis of other plasters ; but is also

applied by itself in slight wounds and excoriations.Enters into Emplast. Galbani Comp. L. Emp. Galbani. D. Emp.Assafoetida. E. Emp. Gummosum. E. Emp. Hydrargyri. L. E.Emp. Opii. L. Emp. Oxidi Ferri Rubri. E. Emp. Resins,L. E. D. Emp. Saponis. L. E. D. Emp. Thuris. D.

Emplastrum Resins. L. E. D. Adhesive or Resinous Plaster. Takefcss of yellow resin, tbiij of litharge plaster ; melt the plaster witha gentle heat, then add the resin, and mix.Medicinally it is used to keep the edges of recent wounds and of ulcerstogether. It is similar to Baynton's strapping-plaster, which con-tains less resin, and consequently is less stimulant.

Emplastrum Robohans. See Emplastrum Thuris.

Emplastrum Saponis. L. E. D. Soap Plaster. Take Ibss of hardsoap, sliced, tbiij of litharge plaster. Mix the soap with the plaster,previously melted, and boil to a proper consistence.Medicinally it is resolvent without producing irritation, and is appliedto glandular tumours.

Emplastrum Sticticum. Paracelsus's Plaster. Take Jvj of olive oil,3jss of yellow wax, Jivss of litharge, ^s each of ammoniacum andbdellium, Jvj of galbanum, sij each of opoponax, oil of laurel, car-bonate of zinc, aristolochia, myrrh, and frankincense, Jj of Chiaturpentine. Melt, mix, and make a plaster.

Emplastrum Strumale is prepared with hemlock, digitalis, camphor,kermes mineral, and mercurial plaster.

Emplastrum Thuris. D. Frankincense Plaster, Emplastrum ruboraiix.

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