Презентация на тему по английскому языку История изобретения шариковой ручки

by people were stones and sharpened sticks. A man

wrote on clay boards with them. Later people began to use feathers for writing, but thanks for people inventions now we can write with the pen.

ink appeared in
1884.It wasn’t very convenient because the

ink dried for a long time and the pen tore paper

improve the pen so that it was suitable for

writing with very thick ink and wrote gently on a peace of paper.

in its tip that was free to turn in

a socket. As the pen moved along the paper, the ball rotated, picking up ink from the ink cartridge and leaving it on the paper. Bíró filed a British patent on 15 June 1938. Unfortunately this invention didn’t become very popular with manufacturers.

day while vacation at the sea shore the Biro

brothers met an interesting gentleman Augustine Justo,who happened to be the president of Argentina. After the brothers showed him their model of a ballpoint pen, the President Justo urged them to set up a factory in Argentina. When World War 2 broke out in Europe a few years later, the Biro fled to Argentina stopping in Paris along the way to patent their pen.

in Argentina. They were in a great demand among

American pilots who made them famous all over the world.

the name of another person, George Parker , who

used to be an agent selling pens.

so much that he invented his own pen.

being used while the German Instrument of Surrender was

being signed on May 8,1945.

producing of ballpoint pens in the USSR but he

didn’t want to collaborate with Stalin. It took Soviet scientists 4 years to design their own ballpoint pen. It appeared in 1949.