Platt, Richard, <br/><br/>
Smithsonian visual timeline of inventions 
by Richard Platt. 
 - First American edition 
 - pages cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>1564586758 
<br/><br/><label>LCCN: </label>94021429  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Inventions--History--Chronology.<br/>Inventions--History--Chronology--Juvenile literature.
<br/><br/><label>LC Class. No.: </label>T15  / .P63 1994 
<br/><br/><label>Dewey Class. No.: </label>609