Signedon body: BAUSCH & LOMB OPTICAL CO. / Rochester, N.Y. U.S.A
on top of arm: BAUSCH & LOMB OPT. CO / ROCHESTER N.Y. / U.S.A. [in circular logo with prism]
on objectives (3): BAUSCH & LOMB OPT. CO. ROCHESTER N.Y. U.S.A.
on objective cans: BAUSCH & LOMB OPTICAL CO. / ROCHESTER N.Y.
Inscribedon body: 191521
on top of arm: PAT. JAN. 5. 1915
Historical AttributesThis microscope was used in the Biology Department.
Primary SourcesBausch & Lomb Optical Co., Bausch & Lomb Microscopes and Accessories (Rochester, NY: Bausch & Lomb Optical Co., [1915?]), 7.
ProvenanceBiology Department, Harvard University; transfer to CHSI, 1981.