This is a compound monocular with coarse and fine focus, triple nosepiece, mechanical stage, inclination joint, sub-stage mirror, and tri-leg base. The inscription reads “MCINTOSH / BATTERY AND / OPTICAL CO. / CHICAGO” and “Pat. Mar. 13, 1882” and “829.” The three objectives are by Bausch & Lomb.
Lyman McIntosh (d. 1892) was an American physician and entrepreneur whose firm made and marketed microscopes, lanterns, and medical electrical devices.
This belonged, in turn, to Charles Caldwell, president of the Chicago Surgical Society; John Kerrigan, Sr., a Chicago physician; Dr. Lee Kerrigan; and Dr. Robert J. Frost.
Ref: Lyman D. McIntosh, “Microscope,” U.S. Patent 273,752 (March 13, 1883).
McIntosh Battery and Optical Co., Catalogue (Chicago, 1890).
Currently not on view
Object Name
date made
ca 1890
McIntosh Battery and Optical Company
Physical Description
brass (overall material)
glass (overall material)
metal (overall material)
overall: 40.1 cm x 17.5 cm x 22.2 cm; 15 13/16 in x 6 7/8 in x 8 3/4 in
place made
United States: Illinois, Chicago
ID Number
catalog number
accession number
Science & Mathematics
Science & Scientific Instruments
See more items in
Medicine and Science: Medicine
Data Source
National Museum of American History, Kenneth E. Behring Center
Credit Line
Dr. Robert J. Frost

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