When used in the extemporaneous preparation of topical medications, it is supplied in the form of coal tar topical solution USP, which consists of a 20% w/v solution of coal tar in alcohol, with an additional 5% w/v of polysorbate 80 USP; this must then be diluted in an ointment base such as petrolatum.
Hiram Rhodes Revels, R-Miss. Revels was the first African-American to serve as a state senator, representing Mississippi. Revels was elected by the Mississippi State Senate to fill a vacant U.S. Senate seat, which was abandoned by Albert G. Brown when Mississippi seceded from the Union during the Civil War.
Collection of the U.S. House of Representatives. About this object Chisholm won election to the 91st Congress (1969â1971) running under the slogan âunbought and unbossed,â to become the first African-American woman in Congress. On this date at the opening of the 91st Congress (1969â1971), Shirley Anita Chisholm of New York became the first African-American Congresswoman. Trained as a school teacher, Chisholm served two terms in the New York state legislature before winning election in November 1968 to a newly created congressional district in Brooklyn.