Martin, Thomas,  1893- <br/><br/>
The Royal Institution / 
Thomas Martin. 
 - London :  Royal Institution of Great Britain,  1961 
 - 69 p. : ill. ;  23 cm. 
<br/><br/> "First published in 1942 in the British Council's 'Science in Britai n'series." 
<br/><br/>Includes bibliographical references (p. 69). 
<br/><br/><label>Dewey Class. No.: </label>506.242