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Beasley designed an improved life raft with guard rails that was fireproof and it is capable of folding and unfolding, making it easy storage, even with the rails.
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Her life rafts were used on the Titanic and saved over 700 lives.
It is still used today. -
Beasley was born in Philadelphia, Pennsylvania in 1847.
Between 1878 and 1898 the American patented up to 15 inventions, including a foot warmer, a steam generator and a machine for making wooden barrels that made her a millionaire -
In 1886 with help of a mechanic she created the first successful automatic dishwasher, her invention not only separated compartments for different things and also used pressurized jets of water to do the cleaning.
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Josephine Garis Cochran (March 8, 1839 – August 3, 1913) was an American inventor housewife who was the inventor of the first commercially successful automatic dishwasher,
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She was an American inventor who liked to help people with her knowledge
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Connelly achieved a revolutionary design, which made buildings safer by adding an exterior staircase with platforms between levels that prevented people from falling several stories down a flight in the panic of an emergency.
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Letitia Mumford Geer (1853-1935) was an American nurse and inventor who designed and patented in 1899 the current model of hypodermic syringe used by healthcare.
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For centuries before Greer’s invention of a one-handed syringe, medical professionals had been using syringes that required both hands to administer injections.
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Anderson was born in Alabama in 1866 and worked for nearly a decade in construction in Birmingham, managing the apartments, until in 1889 he decided to move to California and try ranching and viticulture.
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She noticed how drivers that were on the roads there needs to constantly clean manually wipe their windscreens and and she designed an effective model
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She was born in New York, had a life as a housewife until in 1904, still single, she obtained her first patent
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Street sweeper design was not the first, but it was such an improvement on earlier models
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In a time when people were still using ice-boxes, Parpart patented an electric refrigerator that she successfully marketed and improved upon for years.
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It was invented in 1965 by a chemist called Stephanie Kwolek who was researching the applications of liquid crystalline polyamides.
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Kevlar is key material for manufacturing bullet proof vests, and also deployed widely in many other areas. It is 5 times stronger than the steel and also 5 times lighter
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¿Which was the first invention mentioned?
a. Lift Raft
b. Dishwasher
c.Fire Escape -
Klever the material used in Bulletproof vest is
a.It is 5 times stronger than the steel and also 5 times lighter
b.It is 3 times stronger than the steel and also 3 times lighter
c. It is 10 times stronger than the steel and also 10 times lighter -
Before, the women couldn't do
a. Wear pants
b. Vote
c. Cook
