00311nam a2200109 a 4500008004100000050001500041100001700056245005700073260003700130300002500167350000900192080109s1963    ||||||||||||||||| ||    u  aTK 431 Hew  aHewitt, T. H10aElectrical Drawing for national certificate students  aLondonbCleaver-Hume Pressc1963  a(viii), 167p. : ill.  a0.00