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Grade Range:
5-12
Resource Type(s):
Reference Materials
Date Posted:
5/25/2012
This online exhibition tells of the development of COBOL, a computer programming lanugage, and how it changed the commercial, banking, and defense industries. Fifty years ago, each computer maker used its own programming languages to tell a computer what to do. In 1959, a group of programmer
Grade Range:
3-4
Resource Type(s):
Lessons & Activities, Worksheets
Date Posted:
1/14/2009
In this activity, students will analyze the letter Grace Bedell wrote to President Abraham Lincoln, then write and send their own letters to the president of the United States. This activity is included in an Ourstory module entitled A Letter to Abraham Lincoln. OurStory
Grade Range:
5-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
12/23/2010
The forage cap was introduced just in time to become the signature headgear of the Civil War soldier. This model was the most popular worn by the Union army, officers and enlisted men alike.
Grade Range:
5-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
12/23/2010
During the Civil War, officers wore many types of hats, more often non-regulation than regulation. This example of a regulation army hat was worn by General William T. Sherman.  Although a native of Ohio, William Tecumseh Sherman remains inextricably linked with Georgia and the burning of At
Grade Range:
K-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
2/11/2009
The process of manufacturing such baskets is called "sewing," but it is actually a process of binding and coiling long strands of grass. In the wetlands, two kinds of grasses are used; "sweetgrass," and more recently, black rush, also known as "bullrush." Strips of oak wood, or palmetto fronds ar
Grade Range:
K-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
9/19/2009
In Puerto Rico, the traditional center of lace making is the town of Moca. There, lace is made by hand on bobbins and is known as mundillo. Bobbin lace is a complicated process of weaving together different spools of thread held in place by pins. Lace making today is undergoing a resurgence of po
Grade Range:
9-12
Resource Type(s):
Reference Materials, Primary Sources
Date Posted:
7/7/2008
Students will learn about the history of maritime invention. This reference page is included in the online exhibition entitled America on the Move, which focuses on transportation in US history.
Grade Range:
K-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
11/4/2008
This telegraph register, manufactured in accord with the Morse patent, was installed in 1848 in South Bend, reputedly the first telegraph office in Indiana. Stamped on the base is "j. Burritt & son ithaca." Pulses of electricity caused the two vertical electromagnets (on the right) to pull ag
Grade Range:
K-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
11/10/2010
Edwin McMillan shared the 1951 Nobel Prize in Chemistry with Glenn Seaborg. McMillan discovered element 93, or neptunium, in 1940 while working on the world's largest cyclotron at the Lawrence Livermore National Laboratory. Seaborg's discovery of element 94, or plutonium, was based on McMillan's
Grade Range:
K-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
9/17/2009
This large, hand-held drum, known in Puerto Rico as a pandereta, is an essential instrument in the musical genre known as plena. The plena was developed by agricultural workers at the end of the 19th century on the southern coast of the island, around the city of Ponce. Consider
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