Glass stoppered jar containing compound (Kerasin, ox

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Glass stoppered jar containing compound (Kerasin, ox
Science Museum Group
© The Board of Trustees of the Science Museum

Glass stoppered jar containing compound (Kerasin, ox, desposited from mother liquor of phrenosin below 26 degrees Centigrate after lead process required much recrystallisation), 1870-1880. Prepared by Dr. John Louis William (Johann Ludwig Wilhelm) Thudichum, Germany.

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