- Currently not on view
- Object Name
- tracing, converter
- overall: 20 7/8 in x 20 3/4 in; 53.0225 cm x 52.705 cm
- ID Number
- catalog number
- accession number
- See more items in
- Work and Industry: Mechanical and Civil Engineering
- Data Source
- National Museum of American History
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.
Note: Comment submission is temporarily unavailable while we make improvements to the site. We apologize for the interruption. If you have a question relating to the museum's collections, please first check our Collections FAQ. If you require a personal response, please use our Contact page.