Roberts, Bernard Holton. <br/><br/>
Elementary science physics and chemistry :  for junior secondary classes in high schools, technical schools and technical colleges / 
written to conform with the syllabus issued by the Board of Secondary School Studies N.S.W. by B.H. Roberts. 
 - Sydney :  s. n.,  1954. 
 - viii, 184 p. :  ill. ;  22 cm. 
<br/><br/>Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physics--Juvenile literature.<br/>Chemistry--Juvenile literature.
<br/><br/><label>Dewey Class. No.: </label>530  / ROE