000 00349cam a22001217a 4500
008 180718b1958 xxu||||| |||| 00| 0 eng d
082 _aYA213841 Sp71
100 _aSpratt, H.G.M.
245 _aMagnetic tape recording
_cby H.G.M. Spratt
260 _aLondon
_bHeywood and Company
_c1958
300 _a319p.
650 _aMagnetic recorders and recording
999 _c437124
_d437124