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History Explorer Results (272)
Related Books (61)
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Grade Range:
K-12
Resource Type(s):
Artifacts
Date Posted:
3/28/2016
John H. Irwin received patent number 35,158 on May 6, 1862, of this design of a coil oil lamp. Irwin’s lamp was designed for coal oils and other similar hydrocarbons (such as kerosene) which volatilized at low temperatures and required an excess of oxygen to support illumination. The excess of
Grade Range:
Resource Type(s):
Reference Materials
Date Posted:
3/10/2016
The Museum’s Textile Collection contains over four thousand patent models. The collection includes many examples of carding machines, spinning machines, knitting machines, rope making machines, looms, baskets, carpets, fabrics, and sewing machines. Even the simple clothespin is well represented
Grade Range:
8-12
Resource Type(s):
Interactives & Media
Date Posted:
3/1/2016
While there are many successful paths to launch a new product, there are also a few ways to fail. As the owner of a popular American candy company, you will need to make careful choices to help your product succeed in the Chinese market.
Grade Range:
K-12
Resource Type(s):
Artifacts
Date Posted:
9/17/2015
One of two telephones used by Alexander Graham Bell in a demonstration that took place between Boston and Salem, Massachusetts on November 26, 1876. Critical features are the iron diaphragm (seen as a black circular disc mounted on the vertical wooden support), two electromagnets (seen in white,
Grade Range:
K-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
3/10/2015
The U.S.D.A. Forest Service introduced Woodsy Owl in 1971 as an anti-litter and anti-pollution symbol to promote wise use of the environment. The campaign, which continues today, is primarily aimed at school-age children and uses slogans such as “Give a Hoot! Don’t Pollute” and “Lend a Ha
Grade Range:
K-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
3/10/2015
This bus carried rural children to the Martinsburg, Indiana school in the 1940s. Busing enabled children to attend consolidated schools, which were larger than one-room schools and had better curricula, teachers, and facilities. All-steel school buses like this one were safer than earlier school
Grade Range:
4-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
6/11/2014
This teapot was made in England about 1766-1770, possibly by the Cockpit Hill Factory, Derby, England. Inscribed on one side of the teapot is “No Stamp Act” and on the other is “America, Liberty Restored,” both within flowerheads and stylized scrolling leaftips in black. The cover is pain
Grade Range:
6-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
5/23/2014
This robot was constructed in 1987 by Dr. Kenneth Kinzler and his colleagues at the Johns Hopkins Oncology Center's Molecular Genetics Lab run by Dr. Bert Vogelstein. It was used to conduct PCR in research on the p53 gene, which is linked to 50 percent of human cancers. Polymerase chain reaction,
Grade Range:
K-12
Resource Type(s):
Reference Materials, Interactives & Media
Date Posted:
4/9/2014
Whether convenient, fast, organic, processed, gourmet, ethnic, or local—the foods available to Americans have never been more plentiful and diverse, or more ripe for discussion. Coupled with big changes in who does the cooking, where meals are consumed, and what we know (or think we know) about
Grade Range:
9-12
Resource Type(s):
Interactives & Media
Duration:
5 minutes
Date Posted:
3/31/2014
In this series of interviews, member of the Greensboro Four Joseph McNeil talks about what motivated him to participate and shares a message for young people on being involved in their communities. 
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