0
What else can I help you with?
Who is the inventor Lyda Newman?
She invented the hair brush she was also a great African American who stood up and made a chance for other African American
Who is the African American inventor P. Johnson?
P. Johnson refers to Philip Johnson, an African American inventor known for his work in creating the first successful automatic elevator door. His invention significantly improved elevator safety and efficiency. Johnson's contributions are part of a broader legacy of innovation by African American inventors who have made important advancements in various fields.
Is there a biography for Sarah Boone the African American inventor?
Sarah Boone was an African American inventor from the 19th century who patented an improved ironing board in 1892. While there may not be a detailed biography available, her invention is a significant contribution to household innovation.
Who is the African American scientist and inventor bast known for his development of products that could be made by peanuts?
The scientist is known as George Washington Carver.
What is a doorknob made of?
metal
How did Sarah Boone become famous?
Famous black inventor - African American patent holder ... Sarah Boone. An improvement to the ironing board (U.S. Patent #473653) was ... which made the mass production of affordable shoes possible.
Who was Norbert rillieux and Henry Blair?
Norbert Rillieux was a 19th-century African American engineer and inventor, best known for developing the multiple-effect evaporator, which revolutionized the sugar refining process and significantly increased efficiency. Henry Blair, also an African American inventor, is noted for being one of the first to receive a patent in the United States, in 1834 for a seed planter, and again in 1836 for a cotton planter, contributing to agricultural advancements. Both men made significant contributions in their respective fields, showcasing the impact of African American innovation in history.
Why was Elijah McCoy never allowed to ride on trains that used the part he invented?
Elijah McCoy was an African American inventor. He worked for the Michigan Central Railroad as a fireman. He invented a lubricating cup that made trains more efficient.
Can you stick a charged balloon to a doorknob?
Yes, you can stick a charged balloon to a doorknob because the charged balloon and the doorknob have opposite charges. The electrostatic attraction between the charged balloon and the doorknob will cause them to stick together momentarily.
What was Alexander miles occupation?
Alexander Miles was an African-American inventor and businessman. He is best known for inventing and patenting the automatic elevator door mechanism, which greatly improved the safety and efficiency of elevators. This invention revolutionized the elevator industry and made buildings much safer for occupants.
Is a doorknob a heat conducter?
Yes, a doorknob is typically made of metal, which is a good conductor of heat. This means that it can transfer heat from one object to another, such as when you touch a hot doorknob and feel the heat from the other side.
What was true about the income of African American families?
African-American families made little more than half of what white families did.
