Barr , George  <br/><br/>
Science research experiments for young people : 

 - Dover :  New York :  1907. 
 - 142 p ;21cm .  01 
 - 2024-08-13 
<br/><br/><label>ISBN: </label>0486261115 
<br/><br/><label>Nat. Bib. No.: </label>0010257 
<br/><br/><label>Nat. Bib. Agency Control No.: </label>BAR 
<br/><br/><label>Universal Decimal Class. No.: </label>530