Harrison, Peter,  1950- <br/><br/>
Inventions and discoveries / 
Peter Harrison ; consultant, Peter Mellett. 
 - London :  Lorenz,  2000. 
 - 64p. :  ill(chiefly col.), ports.(some col.) ;  31cm. 
 - Investigations .
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9780754802136 
<br/><br/><label>Nat. Bib. No.: </label>GB99W9474  bnb 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Inventions--Juvenile literature.
<br/><br/><label>Dewey Class. No.: </label>609