Smithsonian museums continue to be closed to support the effort to contain the spread of COVID-19. Read a message from our director, and check our website and social media for updates.

Portable Steam Heater Patent Model

Portable Steam Heater Patent Model

<< >>
Usage conditions apply
Patent model (U.S. Patent No. 17,666) of a portable steam heater or radiator consisting of a flat-sided, horizontal rectangular steam chamber with oval side handles and arched legs that is mounted to a saucer-shaped boiler at bottom center; made by I. H. Chester of Cincinnati, OH, and patented on June 30, 1857. Boiler is fed through pipe with ball-shaped funnel at top center. Aircocks at top corners. Originally japanned or painted green; decorative scrollwork and invention name gilded across front. Paper tags stored with object and another tied with red wove ribbon to side handle are printed and handwritten with patent information and object numbers.
Currently not on view
Object Name
Date made
patent date
place made
United States: Ohio, Cincinnati
Physical Description
iron (steam chamber, boiler material)
tin (steam chamber, boiler material)
paint (decoration material)
gold (decoration material)
copper (rivets on steam chamber material)
brass (funnel, aircocks, handles, legs material)
overall: 9 3/4 in x 12 5/8 in x 4 in; 24.765 cm x 32.0675 cm x 10.16 cm
ID Number
catalog number
accession number
patent number
See more items in
Cultural and Community Life: Domestic Life
Domestic Furnishings
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.

Note: Comment submission on our collection pages is temporarily unavailable. Please check back soon!

If you have a question or require a personal response, please visit our FAQ or contact page.