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S. Prajudi Atmosudirdjo, author

Djakarta: Endang, [date of publication not identified]

572.7 PRA i

Buku Teks  Universitas Indonesia Library

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Adam, Mike, author

The life-long inventor, Lee de Forest invented the three-element vacuum tube used between 1906 and 1916 as a detector, amplifier, and oscillator of radio waves. Beginning in 1918 he began to develop a light valve, a device for writing and reading sound using light patterns. While he received many patents...

New York : Springer, 2012

e20425849

eBooks  Universitas Indonesia Library

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