Grain Measure
Grain Measure
Usage conditions apply
- Description
- James H. Maggard (1854-1924) was a businessman in Iowa City, Iowa, who has been called “the Mark Twain of writers on engineering.” He submitted this model of an automatic grain measure with his patent application.
- Ref: J. H. Maggard, “Automatic Grain Measure,” U.S. Patent 423,876 (March 18, 1890).
- Location
- Currently not on view
- Object Name
- Grain Measure
- Date made
- 1890
- patented by
- Maggard, James H.
- maker
- Maggard, James H.
- ID Number
- CH.308978
- accession number
- 89797
- catalog number
- 308978
- patent number
- 423876
- See more items in
- Medicine and Science: Chemistry
- Data Source
- National Museum of American History
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