na JAKPU-12110000000219 20111226074720.0 ind 978-0-85296-845-1 010-121100000000217 JKPU DKI ENG 22 621.3 Garratt, G.R.M The early history of radio:from faraday to marconi / G.R.M. Garratt London : Institution of Electrical Engineers, 2006 xi, 105 hlm. : ill. ; 25 cm. Whether it be due to a genuine quest for knowledge or merely to a desire to satisfy passing curiosity, there can be no doubt as to the frequency with which one hears the question 'Who was the inventor of so-and-so?' Unfortunately, such questions seldom admit of concise answers, the truth being that very few inventions are the work of single individuals. Dewasa radio--history--sejarah--radio Beli BPAD DKI 50751/11