- This small brass instrument was owned by Richard Halsted Ward (1837-1917), a noted medical microscopist, or his son, Henry B. Ward, a pioneering parasitologist.
- Currently not on view
- Object Name
- date made
- mid 19th century
- overall: 3 5/16 in x 1 1/4 in; 8.41375 cm x 3.175 cm
- ID Number
- accession number
- catalog number
- Credit Line
- Miss Charlotte B. Ward
- Science & Scientific Instruments
- Data Source
- National Museum of American History
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