Tag: King Charles VIII
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Guaiac and “the old Guaiacum test”
James L. Franklin Chicago, Illinois, United States Guaiacum officinale. Photo by Forest and Kim Starr. July 27, 2007. Via Wikimedia. CC BY 3.0. “The old Guaiacum test was very clumsy and uncertain.” — A Study in Scarlet, Arthur Conan Doyle, 1887 So declares Mr. Sherlock Holmes in Arthur Conan Doyle’s novel A Study…