This Bausch & Lomb Continental is a heavy compound monocular with coarse and fine focus, triple nosepiece, trunnion, circular mechanical stage, and Lister limb with elaborate sub-stage condenser and sub-stage mirror. The inscriptions on the horseshoe base read “Bausch & Lomb Optical Co. / NEW YORK ROCHESTER CHICAGO” and “25908.”
The florid inscription on the tube reads “G. V. BLACK / Presented / by the CLASS OF ’99 / and / The Alumni Association of the Northwestern University / DENTAL SOCIETY / March 1899.” Greene Vardiman Black (1836-1915) was the second dean of the Northwestern University Dental School.
Ref: Bausch & Lomb, Microscopes, Microtomes, and Apparatus for Photo-Micrography (Rochester, N.Y., 1896), pp. 26-27.
Currently not on view
Object Name
microscope, compound
date made
Bausch & Lomb
Physical Description
brass (overall material)
wood (overall material)
glass (overall material)
overall: 15 3/4 in x 8 7/16 in x 9 1/16 in; 40.005 cm x 21.43125 cm x 23.01875 cm
place made
United States: New York, Rochester
ID Number
catalog number
accession number
catalog number
Science & Scientific Instruments
See more items in
Medicine and Science: Medicine
Science & Mathematics
Data Source
National Museum of American History, Kenneth E. Behring Center
Credit Line
Mrs. George L. Dreman
Additional Media

Visitor Comments

Add a comment about this object

**Please read before submitting the form**

Have a comment or question about this object to share with the community? Please use the form below. Selected comments will appear on this page and may receive a museum response (but we can't promise). Please note that we generally cannot answer questions about the history, rarity, or value of your personal artifacts.

Have a question about anything else, or would you prefer a personal response? Please visit our FAQ or contact page.

Personal information will not be shared or result in unsolicited e-mail. See our privacy policy.

Enter the characters shown in the image.