"This black t-shirt, which says “Silence = Death” with a pink triangle, symbolizes the struggle against AIDS.
History Explorer Results (3)
Related Books (0)
Grade Range:
5-12
Resource Type(s):
Reference Materials
Date Posted:
9/4/2013
Between the years 1790 and 1880 the U.S. Patent Office required both documentation and a three-dimensional working model to demonstrate each new invention submitted for a patent. The models helped to explain proposed innovations and compare them against similar inventions. In this online exhibiti
Grade Range:
K-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
3/10/2009
This Mercury fuming box for developing daguerreotypes is certainly among the earliest photographic equipment used in America, dating 1839-1840. Working closely with Dr. J.W. Draper in New York, Morse was instrumental in promoting photography in America, furthering experimentation, and producing e
Grade Range:
K-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
3/10/2009
Samuel F. B. Morse (1791-1872), an artist and inventor of the telegraph, was in Paris in 1839 sharing the scientific and celebrity stage with Daguerre. The two inventors shared notes on their inventions and Morse returned to the US with a camera, perhaps the first camera in the United States...
