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8. The first regular, high-quality broadcasting service using
an electronic service took place in 1934.
4. Arrange the following statements according to the logic
of the text.
1. The first special purpose television station was built in
1935 in preparation for the Berlin Olympic Games.
2. Zworykin demonstrated a television receiver containing
his "kinescope", a cathode-ray tube at a convention of
radio engineers.
3. John Logic Baird tried to mass-market his television
transmitter.
4. Zworykin's television camera converted optical images
into electrical pulses.
5. K. Takayangi transmitted an image electronically in 1926.
6. The first live journalistic event covered by television was the
1937 coronation of Britain's King George VI.
7. Zworykin's "storage principle" is the basis of modern TV.
V. Discuss with your partner (or groupmates).
1. Who is considered to be "the father of television"?
2. What principle is the basis of modern TV?
3. What other inventors made great contribution to the
development of television?
4. What country managed to mass-market television
broadcasting?
Unit II.
Text I
VACUUM CLEANER
I.
First thoughts
Do you always keep your flat (room) clean?
Do you hare a vacuum cleaner?
DO you think the vacuum cleaner is one of the most
useful machines in your house?
II. Study the words. Make sure you know them.
filter, principle, practical, reduce, result, concept,
separation, system.
III. Read the text and do the tasks following it.
The idea of a vacuum cleaner originates from the 19th
century.
The first vacuum cleaners had to be operated manually. Two
persons were needed for this: one to operate the bellows and the
other to move the mouthpiece over the floor. The dust was
blown into the air. Only in 1901 Hubert Booth changed the idea
into something more useful. Until then the vacuum cleaners
blew the dust away, but Booth came up with the idea of sucking
away dust, instead of blowing. Furthermore, Booth equipped his
cleaner with a filter, which kept the dust in the machine. All
modem vacuum cleaners are based on Booth's principle. In spite
of the improvements made by Booth, the older vacuum cleaners
were not very practical: they were hand-operated and very-big
and heavy. Some cleaners were left outside the house, and only
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