4 b
Listen and check your answers.
1
The bulb was invented by Thomas Edison in 1897.
2
The telephone was developed by Bell and Gray in 1876.
3
The typewriter was developed by Peter Mitterhofer in 1869.
4
The camera was invented by George Eastman in 1889.
5
The motor-driven aeroplane was developed by the Wright brothers in 1903.
6
The biro (i.e. ballpoint pen) was invented by László Biró in 1938.
7
The petrol-driven motorcar was developed by Benz and Daimler in 1885.
8
The aspirin was developed by Felix Hoffmann in 1899.
9
The television was developed by John Baird in 1925.
10
The radio was invented by Guglielmo Marconi in 1895.
11
The vacuum cleaner was invented by Henry Booth in 1902.
12
The photocopier was invented by Chester Carlson in 1937.
13
The computer was developed by Howard Aiken in 1944.