Leggat, Robert. <br/><br/>
Lights please! :  using projectors in the classrom / 
by Robert Leggat ; drawings by Jacqueline Bateman. 
 - London :  National Committee for Audio-Visual Aids in Education,  1972. 
 - 118 p. :  illus. ;  22 cm. 
<br/><br/><label>ISBN: </label>X920047426 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Teachers--Training of--Aids and devices.<br/>Moving--pictures in education.