H. G. M. Spratt <br/><br/>
Magnetic Tape Recorder 
by H. G. M. Spratt 
 - London  Heywood & Co.  1958 
 - 319 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physics
<br/><br/><label>Dewey Class. No.: </label>105.23