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Lewis Howard Latimer worked in Thomas Edison's engineering laboratory, and patented an electric lamp in 1881 and a carbon filament for bulbs in 1882.
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Did Mary Walton receive the patent for her invention in February 1881?
In February 1881, Mary Walton received a patent on her "Improvement in the Construction of the Framework and Bedding for the Track Rails of Elevated Railroads and Bridges." Basically, it made elevated trains quieter by transferring less of the vibration through the entire structure.
The first African American police officer was appointed in what city?
His name is William R Griffin
What was the name of the first African American police officer hired in philadelphia in 1881?
Charles Draper, Lewis Carroll, Alexander Davis and Richard Coldwell
What was Blanch K Bruce the frist African American to do?
Blanche K. Bruce was the first African American to serve a full term in the U.S. Senate. He represented Mississippi from 1875 to 1881 and was notable for being the first African American to preside over the Senate as a member. Bruce's tenure in the Senate was significant during the Reconstruction era, as he advocated for civil rights and education for African Americans.
American foundation founded in 1881 by Clara Barton?
The American Red Cross was founded by Clara Barton in 1881.
American Federation of Labor was established when?
in 1881.
Where did Nikola Tesla invent his first invention?
On the opening of the telephone exchange in Budapest, in Hungary, 1881, Tesla became the chief electrician to the company. His first invention was the telephone repeater.
Who was a former slave and the first African American elected to a full term in the senate and argued strongly against segregation?
Blanche Kelso Bruce was born in slavery in Virginia in 1841. He was elected as a Republican to the US Senate and served from March 4, 1875, to March 3, 1881. He was the second African American to serve in the US Senate and the first African American elected to a full term.
Who established a vocational school for African Americans in 1881?
Booker T. Washington
When was American Red Cross created?
American Red Cross was created in 1881.
When was the American red cross built?
The American Red Cross was founded in May of 1881.
What did Dudley W Woodard invent?
Dudley W Woodard (1881-1965) was a gifted African-American mathematician. He was born in Galveston, Texas, where his father had a position in the Post Office. He was awarded a PhD in mathematics from the University of Pennsylvania on June 28, 1928, and was the second African American in the world to earn a PhD degree in mathematics.His research paper, On two dimensional analysis situs with special reference to the Jordan Curve Theorem, was the first published by an African American.
