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Grade Range:
5-12
Resource Type(s):
Interactives & Media
Date Posted:
3/1/2016
Investigate the market revolution in the 1800s through the stories of five Americans from the Merchant Era. Optimized for desktops and laptops.
Grade Range:
8-12
Resource Type(s):
Primary Sources, Interactives & Media
Date Posted:
3/1/2016
Decode a historic ledger that belonged to William Ramsay, a merchant in Alexandria, Virginia in the mid-1700s.
Grade Range:
6-12
Resource Type(s):
Reference Materials, Interactives & Media
Date Posted:
3/9/2016
Throughout the 1800s, homegrown American scientists and inventors were a source of pride for the fledgling republic, which was rapidly surpassing Great Britain and the rest of Europe as a hotbed of industrial activity. The period also coincided with the peak of the Romantic Period in art, music,
Grade Range:
6-12
Resource Type(s):
Reference Materials, Interactives & Media
Date Posted:
3/9/2016
Labor leaders often rose from the ranks to secure for fellow workers a living wage, safer working conditions, shorter hours, and balance the scales of economic justice through direct action as well as state and federal legislation. In this video series, learn about 5 labor leaders. 
Grade Range:
6-12
Resource Type(s):
Reference Materials, Interactives & Media
Date Posted:
3/9/2016
Through innovative ideas and inventions, computer pioneers transformed the ways people worked, played, and communicated in the 1900s. In this video series, learn about 6 pioneers in computing. 
Grade Range:
8-12
Resource Type(s):
Primary Sources, Interactives & Media
Date Posted:
3/1/2016
Learn more about the business of slavery by exploring four historic documents from the United States slave trade.
Grade Range:
K-12
Resource Type(s):
Artifacts
Date Posted:
3/28/2016
Before 1954, so-called portable radio receivers used vacuum tubes to receive and amplify signals. The large batteries needed to power most tubes made radios large and heavy. Receivers built with subminiature tubes existed but were expensive. The invention of transistors in 1947 allowed engineers
Grade Range:
K-12
Resource Type(s):
Artifacts
Date Posted:
4/4/2016
This is a trading post booth number 13 from the New York Stock Exchange built in 1930. Trading was conducted in front of posts connected to the stock ticker by pneumatic tubes. Floor brokers buy and sell shares, attempting to get their customers the best price. Each stock is represented by a spec
Grade Range:
K-12
Resource Type(s):
Artifacts
Date Posted:
4/4/2016
Motorola produced this BPR 2000 model pager around 1982. Prior to the widespread availability of inexpensive cell phones many people carried telephone pagers to stay in contact with work or home. A miniature radio receiver, a pager alerted the user that someone needed to talk to them and provided
Grade Range:
K-12
Resource Type(s):
Artifacts
Date Posted:
4/4/2016
Most incandescent lamps were designed for general use in homes and businesses. However, some required special features for use in particular locations. Westinghouse engineers designed this so-called mill lamp for use in factories and other areas subject to high levels of vibration. An intricate i
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