Optical Apparatus

Optical Apparatus

Usage conditions apply
This is a hollow glass vessel with a flared foot, and a narrow neck with a stopper. When filled with water, it acts as a lens, and was sometimes termed an engraver's globe.
Currently not on view
Object Name
Optical Apparatus
optical apparatus
overall: 17 in x 10 in; 43.18 cm x 25.4 cm
overall: 17 1/4 in x 10 in; 43.815 cm x 25.4 cm
ID Number
catalog number
accession number
Credit Line
United States Military Academy
Science & Scientific Instruments
See more items in
Medicine and Science: Physical Sciences
Data Source
National Museum of American History
Nominate this object for photography.   

Our collection database is a work in progress. We may update this record based on further research and review. Learn more about our approach to sharing our collection online.

If you would like to know how you can use content on this page, see the Smithsonian's Terms of Use. If you need to request an image for publication or other use, please visit Rights and Reproductions.


Add a comment about this object