Simpson, Margaret  19??- <br/><br/>
Film projecting :  without tears of techicalities 

 - London :  National Committee for Visual Aids in Education,  1960. 
 - 35 p.  il 
<br/><br/><label>ISBN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>CINEMA<br/>PROJETOR<br/>PROJEÇAO
<br/><br/><label>Index Terms--Genre/Form: </label><br/>MANUAL