Grain Measure

Description:

Patent model for James H. Maggard, “Automatic Grain Measure,” U.S. Patent 423,876 (March 18, 1890). James H. Maggard (1854-1924) was a businessman in Iowa City, Iowa, who has been called “the Mark Twain of writers on engineering.”

Date Made: 1890

Patented By: Maggard, James H.Maker: Maggard, James H.

Location: Currently not on view

See more items in: Medicine and Science: Chemistry

Exhibition:

Exhibition Location:

Data Source: National Museum of American History

Id Number: CH.308978Accession Number: 89797Catalog Number: 308978Patent Number: 423876

Object Name: Grain Measure

Guid: http://n2t.net/ark:/65665/ng49ca746a0-e34f-704b-e053-15f76fa0b4fa

Record Id: nmah_1692

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