Signedon tube: Carl Zeiss / Jena
on objective AA: C. Zeiss
on objective canister DD: C. ZEISS / JENA
on objective 3 and its canister: E. LEITZ / WETZLAR [in achromat trademark]
on objective 7: E. Leitz / Wetzlar
in cursive on canister for objective 7: E. Leitz
on objective 1/12, oil immersion: Ernst Leitz Wetzlar
on canister for objective 1/12, oil immersion: E. LEITZ / WETZLAR [in achromat trademark]
Inscribedon tube: No 19270
Historical AttributesThis microscope was used by Dr. William Thomas Councilman, grandfather of the donor.
William Thomas Councilman, M.D. (1854-1933) worked under William Welch at Johns Hopkins, and later became Shattuck Professor of Pathology at Harvard Medical School,1891-1922.
Councilman is famed for his thorough study and description of the disease he named "amoebic dysentery," and for describing the eosinophilic bodies in the liver (now known as Councilman bodies) that are pathognomonic signs for the diagnosis of yellow fever. He is also famous for discovering the germ that causes small pox.
Primary SourcesCarl Zeiss Optische Werkstätte Microscopes and Microscopical Accessories (Jena, 1891).
ProvenanceDr. William Thomas Councilman, Harvard Medical School