Small compound monocular with square stage, sub-stage mirror, and unusual rack-and-pinion focus. This was owned by Richard Halsted Ward (1837-1917), a noted medical microscopist, or his son, Henry B. Ward, a pioneering parasitologist.
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.