Question

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Write a short note on the developments or innovations in the printing technology in the 19th century.

CLASS 10 CBSE

Answer 1

In 1430s the first known printing press was introduced by gutenberg at strasbourg,Germany.
In mid 19 century cylindrical press was introduced by Richard hoe of new York
It could print 8000 sheets per hour used in printing newspapers
In late 19 century offset press came into use
It could print 6 colours at a time

Answer 2

1.press came out to be of metal.
2.Richard m hoe perfected the power driven cylindrical press.this was capable of printing 8000sheets per hour
3.the offset press was developed which could print upto six color at a time
4.electrically operated presses accelerated printing operation
5.methods of feeding paper improved, quality of plates became better,automatic paper reels and photoelectric controls introduced