text London Institution of Electrical Engineers 2006 ind ENG 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 G.R.M. Garratt radio--history--sejarah--radio 621.3 BPAD DKI 978-0-85296-845-1 JKPU DKI 20111226074720.0 JAKPU-12110000000219 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)