Marshall, Robert,  1897- <br/><br/>
Tape recorder service manual and trouble-shooting workbook / 
[by] Robert and Mary Marshall. 
 - Philadelphia :  Chilton Co., Book Division,  c1962. 
 - 128 p.:  illus.  21 cm. 
 - Modern camera guide series .
<br/><br/><label>LCCN: </label>62010837  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Magnetic recorders and recording.
<br/><br/><label>Dewey Class. No.: </label>621.381  / ROT 1962