The early 1900s were a very exciting time in the United States. Among the new inventions were the automobile (invented in the late 1800s, but just becoming popular and widely available for the average person); radio broadcasting; car radios; talking pictures (movies with sound); band-aids; frozen food; and penicillin.
Me OWEN
Most would consider the greatest inventions of the 20th century to be the automobile, the personal computer, and plastic.
Several inventions of the 19th century come to mind regarding inventions made prior to the 20th century that were in use in that time period. One was the telephone by Alexander Graham Bell. Others included:* camera;* phonograph;* electric light bulb; and* motion picture projector.
There were numerous great inventions in the early 1900's. A few of the inventions were the airplane, adhesive tape, and the ball point pen.
telephone and electricity
THE gps
science in the 20th century
Me OWEN
I am pretty sure that it is the early 20th century
Science and theory in the early 20th century?.
Most would consider the greatest inventions of the 20th century to be the automobile, the personal computer, and plastic.
William Hoover invented the vacuum cleaner in the early 20th century.
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Several inventions of the 19th century come to mind regarding inventions made prior to the 20th century that were in use in that time period. One was the telephone by Alexander Graham Bell. Others included:* camera;* phonograph;* electric light bulb; and* motion picture projector.
The Steamboat
Radio was not an important invention in the early 20th century. Instead it was developed by Heinrich Hertz in the 18th century. The cotton gin (APEX)
In the early 20th century.