0
Bakelite the first synthetic plastic was used in household appliances in the early twentieth century. Who designed the Bakelite telephone?
Wiki User
∙ 7y ago
Leo Hendrick Bakeland, in 1907
Wiki User
∙ 12y ago
Wiki User
∙ 11y agoHenry Dreyfuss
Add your answer:
Earn +20 pts
When was celluloid the first synthetic plastic material developed?
English chemist Alexander Parkes is usually credited by historians for its invention. He called the plastic Parkesine, and it was a popular plastic used up to the middle of the twentieth century, when plastics based on synthetic polymers replaced its use.
Which comets came into the solar system in the twentieth century?
(haley)
How many tablespoons is one twentieth of a cup?
That is about 0.8 of a tablespoon
What are two ways nuclear fission happened in the twentieth century?
A-Bombs and nuclear power plants
What were the Differences between 19th and 20th century women?
Women in the twentieth century entered puberty at a younger age than nineteenth century women, probably because of improved nutrition. Twentieth century women were less likely to die in childbirth because of improved medical practice.
Who invented the telephone in the twentieth century?
Alexander graham bell
Did Australia make the red telephone houses?
Yes. Red telephone boxes were very common in Australia during the twentieth century.
What was One of the most significant economic and social development of the early twentieth century?
Technological innovation was the most significant economic and social development of the early twentieth century. Some of these inventions included the typewriter, telephone, and mechanized office equipment.
When was celluloid the first synthetic plastic material developed?
English chemist Alexander Parkes is usually credited by historians for its invention. He called the plastic Parkesine, and it was a popular plastic used up to the middle of the twentieth century, when plastics based on synthetic polymers replaced its use.
How to write 20Th in words?
Twentieth."A twentieth" / "one twentieth" or "the twentieth" (depending on the context).The plural is twentieths.
Do you capitalize twentieth in the twentieth of January?
No. Numbers in a normal sentence are not capitalized. Example: "My birthday is on the twentieth of January."
What does the twentieth amendment?
Americans. Americans do the Twentieth Amendment.
What is the twentieth prime number?
The twentieth prime number is 71
When was On the Twentieth Century created?
On the Twentieth Century was created in 1978.
What is eight twentieth plus twelve twentieth plus twelve twentieth is simplest form?
32/20 = 8/5
Is 1965 early twentieth century?
No, it is mid to late twentieth century
What changes took place in the gum and wood chemical industry at the end of the twentieth century?
Synthetic chemicals displaced many natural wood and gum chemicals in everything from dyes to sealants. In addition, environmental laws restricted the burning of charcoal.
