BLUE OINTMENT

Jack's Reference Book for Home and Office : An Encyclopaedia of General Information: Medical Dictionary · 1909 · p. 1

is composed of metallic mercery, lard, and suet. When spread on flannel and worn next the skin, the mercury is absorbed. Mercury is often administered in this way. It is also used to promote tho absorption of inflammatory swellings situated near tho ~ surface. [s. 337]