Signedengraved on stage: Bausch & Lomb / Optical Co.
Inscribedengraved on top of pillar at stage level: PAT. AUG. 3. 80
FunctionSmall portable dissecting microscope for field work.
Primary SourcesBausch & Lomb Optical Co., Microscope Catalogue (Rochester, NY: Bausch & Lomb Optical Co., 1889), 6-7.