iwantcandy2002
26.01.2021 •
History
PLEASE HELP! What unique military tool helped Chandragupta Maurya conquer most of India?
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Ответ:
Sarah E. Goode - J) Folding cabinet bed
Henry Ford - B) Assembly-line production
Elijah McCoy - D) Self-lubricating steam engine
Wright Brothers - F) Powered flight
Madame C.J. Walker - G) Beauty products
Lewis Howard Latimer - I) Improved light bulbs and lamps
George Westinghouse - A) Alternating current power
Garrett Morgan - C) Three-position traffic signal
Granville T. Woods - H) Third rail for electric trains
George Pullman - E) Railroad sleeping car
Explanation:
Sarah E. Goode invented the folding cabinet bed in 1885. Henry Ford first introduced assembly-line production of his vehicles in 1913. Elijah McCoy invented the first automated self-lubricating steam engine in 1872. The Wright Brothers first achieved powered flight on an aircraft in 1903. Madame C.J. Walker founded her cosmetics company selling beauty products in 1910. Lewis Howard Latimer improved Edison's original light bulbs in 1881. George Westinghouse developed alternating current power around 1880. Garrett Morgan invented a three-position traffic signal in 1923. Granville T. Woods invented a version of a third rail for electric trains in 1901. George Pullman first manufactured a railroad sleeping car in 1864.
It is interesting to note that over half of these inventors were African-Americans: Sarah E. Goode, Elijah McCoy, C.J. Walker, Lewis Howard Latimer, Garrett Morgan, and Granville T. Woods.